Yellow Benana Vampire Crab (Geosesarma sp.) – rare banana-yellow crab for paludarium, 2-3cm

Geosesarma sp.

Yellow Vampire Crab (Geosesarma sp.) - UK

Semi-Aggressive
£8.99In Stock

Striking yellow vampire crab for paludariums and vivariums. Moderate care and full of character. Buy now for UK delivery while stock lasts.

CrabsFreshwaterInvertebratesModerate CareNocturnalPaludariumSemi-terrestrialVivarium

Care at a Glance

Scientific Name
Geosesarma sp.
Adult Size
5 cm
Lifespan
3 years
Care Level
Intermediate
Temperament
Semi-aggressive
Temperature
22–28°C
pH Range
7.5–8
Hardness
4–16 dGH
Minimum Tank
40L
Diet
Omnivore

Premium Quality

Healthy, vibrant fish from trusted suppliers

Expert Care

Detailed care guides and support

Live Arrival Guarantee

Your fish arrives healthy or we'll replace it

Acclimated

Properly quarantined and ready for your tank

Quick Care Guide

Temperature
22–28°C
pH Range
7.5–8
Minimum Tank
40L
Adult Size
5 cm
Lifespan
3 years
Care Level
Intermediate
Temperament
Semi-aggressive
Diet
Omnivore
Water Hardness
4–16 dGH
Tank Region
Bottom

Water Parameters

Maintain these water conditions for optimal health and vibrant colors

Temperature
22–28°C
22°CIdeal Range28°C
pH Level
7.5–8
7.5Ideal Range8
Water Hardness
4–16 dGH
4 dGHIdeal Range16 dGH

Why Choose This Fish?

Striking yellow vampire crab for paludariums and vivariums. Moderate care and full of character. Buy now for UK delivery while stock lasts.

The Yellow Benana Vampire Crab Geosesarma sp. is one of the most eye-catching freshwater invertebrates for sale UK hobbyists can add to a nano setup. Known in the trade as the yellow vampire crab, yellow benana crab, and vampire crab yellow, this small terrestrial crab brings bold colour, fascinating behaviour, and a compact adult size of around 5 cm. It is best suited to keepers who want a best crab for nano aquarium UK species with a strong personality, a semi-aggressive temperament, and a lifespan of up to 3 years when kept in stable conditions. In the right yellow benana vampire crab aquarium, you get a crab that explores land, climbs decor, and forages at dusk, making it a standout choice among unique freshwater crabs for aquariums UK and other tropical aquarium crabs UK options.

This species is popular because it combines a manageable footprint with striking colour and rewarding behaviour. It fits neatly into a carefully planned yellow benana vampire crab tank setup, yellow benana vampire crab habitat setup, or yellow benana vampire crab freshwater setup where land area, shallow water, and secure hiding places are balanced correctly. The species is not a fish, but a terrestrial crab from the genus Geosesarma, so its care is closer to a paludarium than a standard aquarium. See our detailed photos showing the bright yellow carapace, dark limbs, and compact body shape so you can judge the vivid colour and size before you buy. If you are comparing rare aquarium crabs UK, colourful aquarium crabs UK, or other aquarium crabs for sale UK, this crab offers a beautiful middle ground between unusual looks and realistic husbandry. It is also a strong option for keepers researching best aquarium invertebrates UK, invertebrates for freshwater aquarium, and small freshwater crab for sale UK.

🔹 Quick Facts

  • Scientific Name: Geosesarma sp.
  • Common Names: Yellow Benana Vampire Crab, Yellow Vampire Crab, Yellow Geosesarma Crab
  • Care Level: Intermediate
  • Min Tank Size: 40 litres (10.5 gallons)
  • Temperature: 22-28°C (72-82°F)
  • pH Range: 7.5-8.0
  • Hardness: 4-16 dGH
  • Lifespan: Up to 3 years
  • Temperament: Semi-aggressive, territorial
  • Diet: Omnivore

Classification

  • Order: Decapoda
  • Family: Sesarmidae
  • Genus: Geosesarma

The vampire crab group became popular in the aquarium trade because of its compact size, terrestrial lifestyle, and vivid colour forms. The Yellow Benana form is sold as Geosesarma sp. because several closely related species and colour variants circulate under similar trade names. That is why keepers often search for yellow vampire crab care, geosesarma sp. care guide, and how to keep geosesarma sp. before buying. Related species in the hobby include red, orange, purple, and bicolor forms, all of which share similar needs but differ in colour and subtle body shape.

Where Do Yellow Benana Vampire Crabs Come From? Natural Habitat Explained

In the wild, Geosesarma crabs are associated with humid forest floors, leaf litter, stream edges, and damp burrows in Southeast Asia, especially island habitats such as Java and nearby regions. While exact trade origins can vary, the natural setting is typically a warm, sheltered, tropical environment with constant humidity and access to both land and shallow water. This helps explain why the species thrives in a yellow benana vampire crab natural habitat style enclosure rather than a fully aquatic tank. When hobbyists ask where do invertebrates live, this crab is a good example of a semi-terrestrial species that spends most of its time on land but still needs water to drink, moult safely, and regulate moisture.

In its native habitat, the crab would forage among decaying leaves, moss, algae films, tiny invertebrates, and bits of plant matter. That natural diet is why captive care should include a varied yellow benana vampire crab diet with protein, plant material, and calcium. The species does best in warm, humid conditions with stable yellow vampire crab water conditions, plenty of yellow benana vampire crab hiding spots, and a secure lid to prevent escape. Many keepers also search for yellow benana vampire crab habitat, yellow benana vampire crab habitat size, and yellow benana vampire crab care guide because the species is often misunderstood as a fish tank animal when it is really a land-focused crab.

There is no reliable evidence that this species is endangered in the aquarium trade, but responsible sourcing still matters. Because these crabs are often sold as rare freshwater crab for sale UK and unique freshwater crabs for aquariums UK, it is worth choosing healthy, captive-acclimated stock and avoiding impulse buys based only on colour. If you are browsing pond invertebrates uk for sale or pond insects for sale uk, remember that vampire crabs are not pond animals and should not be placed outdoors in UK weather. They are tropical, land-based crabs that need warmth, humidity, and a carefully managed paludarium.

💡 Expert Tip

Mimicking the natural forest-floor habitat improves health and brings out more active foraging, better colour, and more natural yellow benana vampire crab behaviour. Use leaf litter, cork bark, moss, and shaded retreats to reduce stress and support moulting.

How Do You Set Up the Perfect Tank for Yellow Benana Vampire Crabs?

Tank Size Requirements

The yellow benana vampire crab tank size should start at 40 litres for a small group, with the yellow benana vampire crab tank size minimum chosen to provide enough land area, climbing space, and territorial separation. Because these crabs are territorial, a cramped enclosure quickly leads to stress and chasing. For a pair or trio, a 40-litre paludarium can work if it is heavily structured, but a larger footprint is better when you want to reduce conflict. If you are planning a yellow vampire crab tank setup for multiple individuals, think more about floor space than height alone, because these crabs use the bottom region and low decor most of the time.

For a reliable yellow benana vampire crab setup, aim for roughly 70% land and 30% shallow water. The water area should be easy to exit, with no deep sections that could trap a moulting or weak crab. A secure lid is essential because vampire crabs are excellent climbers and escape artists.

Water Parameters

Stable yellow benana vampire crab water parameters are more important than chasing exact numbers. Keep the temperature between 22-28°C, with the best long-term range around 24-26°C. The yellow benana vampire crab temperature should never swing sharply, and the yellow benana vampire crab temperature range should be maintained with a heater if your room cools at night. The ideal pH sits between 7.5 and 8.0, with moderate hardness from 4-16 dGH. If you are testing geosesarma sp. water parameters or checking yellow benana vampire crab ph, focus on consistency, low ammonia, and zero nitrite rather than chasing a perfect number.

Because these crabs are sensitive to poor water quality, the yellow vampire crab water conditions should be clean, lightly filtered, and free from copper. A shallow water section with dechlorinated water is enough; they do not need strong current. Keep nitrate low through regular maintenance and spot cleaning.

Filtration, Substrate, and Decor

A gentle sponge filter or low-flow internal filter works well because it provides biological filtration without blasting the crab around. This is especially useful in a yellow benana vampire crab in aquarium setup where the water area is small and the bioload can rise quickly. Use a fine, moisture-retaining substrate such as coconut fibre blended with sand and leaf litter on the land section. The substrate should be deep enough for burrowing and damp enough to hold humidity without becoming swampy.

Add cork bark, moss, stones, and driftwood to create a natural layout. Live plants such as Java moss, Anubias, Cryptocoryne, and pothos roots can help stabilise the enclosure and make a yellow vampire crab in planted tank display look more natural. If you are building a full yellow benana vampire crab aquarium, place the hardscape so each crab can claim a retreat. That is one of the best ways to reduce aggression in a yellow vampire crab land and water area tank.

Lighting Requirements

Moderate lighting for 8-10 hours per day is enough. These crabs do not need intense reef-style light, but live plants benefit from a steady photoperiod. Too much light can make them hide more often, so use shaded zones and floating decor. A planted, humid enclosure with subdued lighting often produces the best colour and activity.

Quick Setup Checklist

  • 40-litre minimum for a small group
  • 70% land, 30% shallow water
  • Secure lid and escape-proof gaps sealed
  • Gentle sponge or low-flow filtration
  • Moist substrate with leaf litter and moss
  • Multiple hides to break sight lines
  • Stable 22-28°C temperature

💡 Pro Tip

Always cycle the tank for 4-6 weeks before adding your crab. A mature filter, stable bacteria colony, and clean substrate make a huge difference to long-term yellow benana vampire crab care.

What Do Yellow Benana Vampire Crabs Eat? Complete Feeding Guide

The yellow benana vampire crab diet is omnivorous, which means these crabs need both animal and plant-based foods. In nature, they scavenge tiny insects, algae, detritus, and softened plant matter. In captivity, a balanced yellow vampire crab diet and nutrition plan should include quality crab pellets, sinking invertebrate foods, blanched vegetables, and occasional protein sources. If you are wondering what do you feed vampire crabs, think variety, small portions, and regular calcium support.

Good staple foods include sinking crab pellets, shrimp pellets, algae wafers in small amounts, and finely chopped vegetables such as courgette or spinach. Supplemental foods can include bloodworm, daphnia, brine shrimp, and small insect-based foods. For treats, offer freeze-dried insect mixes or tiny pieces of fish food designed for carnivorous invertebrates. Many keepers ask do yellow benana vampire crabs eat shrimp, and the answer is that they may eat very small shrimp or scavenge dead ones, so do not rely on shrimp as permanent tank mates if you are feeding heavily.

Feeding frequency should be modest. Offer food 3-4 times per week, removing leftovers after a few hours. If you are asking how much yellow benana vampire crab to feed or how much yellow benana vampire crab eat, start with a portion no larger than the crab’s carapace. Overfeeding is a common error because these crabs are opportunistic and will continue picking at food long after they are full. If you are seeing why yellow benana vampire crab not eating, check temperature, humidity, stress, moulting, and water quality before assuming illness.

They may also nibble soft algae films, but do yellow benana vampire crabs eat algae is best answered as “sometimes, but not enough to count as a staple.” For the best yellow benana vampire crab diet list, combine protein, plant matter, calcium, and occasional fruit in tiny amounts. Avoid copper-based foods, oily human foods, and anything salted or seasoned.

Time Food Amount
Morning Sinking crab pellets or invertebrate pellets 2-3 small pellets per crab
Evening Bloodworm, daphnia, or chopped vegetables Small pinch, remove leftovers

⚠️ Feeding Warning

Overfeeding causes ammonia spikes and water quality issues, especially in small paludariums. Remove uneaten food quickly, and never leave protein-rich foods to rot in the water section.

Invertebrate Crab Food - A balanced staple for omnivorous freshwater crab UK setups.
Shrimp Pellets - Ideal as a sinking daily food for small crabs and other bottom feeders.
Freeze-Dried Bloodworm - A useful protein treat for conditioning and variety.

What Does a Yellow Benana Vampire Crab Look Like?

The Yellow Benana Vampire Crab is a compact, square-bodied crab with long legs, bright eyes, and a vivid yellow patching pattern that can range from pale cream-yellow to richer banana tones. Adults usually reach around 2-3 cm across the carapace and about 5 cm in total body size when legs are included. The shell is sturdy, the claws are proportionate rather than oversized, and the overall look is neat and angular rather than bulky. If you are comparing yellow benana vampire crab care guide photos or searching what yellow benana vampire crab looks like, expect a small but striking crab that stands out against dark substrate and leaf litter.

Sexual dimorphism is visible once the crab matures. The yellow benana vampire crab male usually has a narrower abdomen and may appear slightly larger, while the yellow benana vampire crab female has a broader abdominal flap used for carrying eggs. Many keepers search yellow benana vampire crab male vs female when trying to form a breeding pair. Colour intensity can vary by diet, stress level, and background contrast. A dark substrate and shaded planting often make the yellow tones appear stronger, while a pale or bare tank can wash the colour out.

There are no true “morphs” in the same way as fish colour strains, but trade names can differ. You may see yellow vampire crab, yellow geosesarma crab, or yellow benana vampire crab used interchangeably. Our photos show the bright contrast achieved when the crab is kept in a planted, humid enclosure with leaf litter and moss, which helps the colour stand out naturally.

What Tank Mates Can Live With Yellow Benana Vampire Crabs?

Compatibility is one of the most important parts of yellow benana vampire crab care. These crabs are semi-aggressive and territorial, so the answer to are vampire crabs aggressive is yes, sometimes. They are not usually dangerous to people, and are yellow benana vampire crabs dangerous is generally no for aquarists, but they can pinch tank mates and defend their space. The answer to are yellow benana vampire crabs aggressive depends on tank size, structure, and how many hiding places you provide. In a well-designed enclosure, they can be kept with careful species choices, but they are not ideal for a busy community tank.

For the question yellow vampire crab for community tank, the safest answer is “small, carefully planned community only.” They can sometimes coexist with fast, non-nippy fish in the water section of a large paludarium, but they are best kept with species that will not compete for food or occupy the crab’s land area. Many keepers ask yellow vampire crab compatibility and yellow vampire crab tank mates; the best options are usually peaceful nano fish that stay in the water zone, or other invertebrates only in larger, heavily structured setups. Yellow vampire crab with shrimp can work only with robust shrimp in a spacious tank, and even then juveniles may be at risk.

Good compatible species include small rasboras, endlers in the water section, and hardy snails such as nerite snails. If you are searching for yellow benana vampire crab compatible species or yellow benana vampire crab tank mates, think about size, speed, and whether the other animal will enter the crab’s land territory. Avoid slow bottom dwellers, delicate shrimp colonies, and anything that sleeps on the substrate where the crab hunts.

Species Compatible? Notes
Nerite Snail ✅ Yes Hardy, algae-eating, and usually ignored if well fed.
Fire Red Cherry Shrimp ⚠️ Caution Adults may be fine in larger tanks, but juveniles can be hunted.
Large crayfish ❌ Avoid Too aggressive and likely to injure vampire crabs.

💡 Compatibility Tip

Always quarantine new arrivals for 2-4 weeks. This protects your crab from parasites, bacterial issues, and stress from sudden water chemistry changes.

For a safer setup, pair them with species that stay out of the crab’s way, such as Ember Tetra, Endler's Livebearer, Nerite Snail, Assassin Snail, Blue Dream Shrimp, and Amano Shrimp in larger, well-structured systems. For other crabs, the safest rule is not to mix species unless you have a very large enclosure and deep experience.

How Do You Breed Yellow Benana Vampire Crabs?

Breeding this species is considered moderate, and success usually comes from stable husbandry rather than special tricks. If you are researching yellow benana vampire crab breeding or yellow benana vampire crab reproduction, start by identifying a healthy yellow benana vampire crab male and yellow benana vampire crab female. Males have a narrower underside, while females have a broader abdominal flap. A breeding group can be kept in a 40-litre or larger paludarium with excellent hides, moist substrate, and a rich diet.

During courtship, the male mounts the female to fertilise the eggs. The female then carries around 20-80 eggs for roughly a month. This is why people ask have yellow benana vampire crab have babies, how often yellow benana vampire crabs lay eggs, and yellow benana vampire crab eggs. The young hatch as miniature crabs rather than free-swimming larvae, which makes them easier to raise than many aquatic invertebrates. If you are wondering what day yellow benana vampire crabs are born, there is no fixed day; hatch timing depends on temperature, humidity, and the female’s condition.

For best results, condition the pair with protein-rich foods, calcium, and stable warmth. The baby crabs should be given tiny hiding spaces, moss, and micro foods such as powdered fry food or crushed invertebrate pellets. A common challenge is losing babies to drying out, so keep humidity high and avoid over-ventilating the enclosure. If you are looking up yellow benana vampire crab baby care, remember that the juveniles are small, secretive, and easily stressed.

Advanced Breeding Tip

Set up a separate breeding paludarium with dense moss, multiple land levels, and a shallow water edge. This gives the female more secure egg-carrying space and improves survival of newly released juveniles.

Yellow Benana Vampire Crab vs Similar Species: Which Should You Choose?

Comparing species helps you choose the crab that best fits your tank size, experience level, and layout. If you want a bright, compact species with a manageable adult size, the Yellow Benana form is a strong choice. It is especially appealing for aquarists who want yellow benana vampire crab beginner care with a visually striking result, but it still needs a proper paludarium and regular maintenance.

Feature Yellow Benana Vampire Crab Red Vampire Crab
Max Size About 5 cm About 5 cm
Care Level Intermediate Intermediate
Temperature 22-28°C 22-28°C
Price £8.71 Varies by stock
Best For Planted nano paludariums Colour-focused display tanks
Feature Yellow Benana Vampire Crab Orange Vampire Crab
Behaviour Semi-territorial Semi-territorial
Hardness Range 4-16 dGH 4-16 dGH
Ideal Setup Land-heavy paludarium Land-heavy paludarium

Choose this species if you want a vivid crab that rewards careful setup and looks excellent in a planted enclosure. If you want the easiest beginner invertebrate, a snail or shrimp colony may be simpler. But if you want one of the most distinctive freshwater crabs for sale UK keepers can enjoy, this is a memorable choice. You can also compare it with Red Vampire Crab and Orange Vampire Crab for colour preference and behaviour style.

What Health Problems Affect Yellow Benana Vampire Crabs?

A healthy crab is active at dusk, has a full body posture, clean limbs, and bright colour. Signs of good yellow benana vampire crab health include regular feeding, smooth moults, and a willingness to explore. If your crab hides constantly, refuses food, or looks dull, check temperature, humidity, and water quality first. Many problems blamed on disease are actually caused by stress or poor enclosure design.

Common issues include failed moults, dehydration, bacterial infections from dirty water, and injuries from fighting. If you are searching yellow vampire crab disease prevention or yellow benana vampire crab disease, the best prevention is clean water, stable warmth, and enough hiding places. Quarantine new crabs for 2-4 weeks in a separate, simple enclosure before introducing them to a display tank. This helps prevent parasites and gives you time to observe feeding and moulting.

Never use copper-based medications with invertebrates. That warning matters because copper is lethal to crabs, shrimp, and many other aquatic invertebrates. If a crab is weak after moulting, increase humidity, provide calcium-rich food, and reduce disturbance. For keepers asking when yellow benana vampire crabs become unwell, the answer is often after sudden temperature drops, overcrowding, or poor water hygiene. Good husbandry prevents most issues before they start.

⚠️ Critical Medication Warning

NEVER use copper-based medications with invertebrates - lethal to shrimp and crabs. Always check the label of any treatment before it enters a crab tank.

Quarantine Protocol

  • Keep new crabs separate for 2-4 weeks
  • Use a simple tub or small tank with hides
  • Monitor appetite, moulting, and activity
  • Match temperature and humidity to the main setup
  • Observe for parasites, injuries, or lethargy

How Do Yellow Benana Vampire Crabs Behave in the Aquarium?

These crabs are mostly crepuscular and nocturnal, so they are often more active at dusk and after lights out. If you are wondering what time yellow benana vampire crabs come out or what time yellow benana vampire crabs eat, the answer is usually evening or early morning. They spend much of the day tucked into hides, under leaves, or inside cork bark. That shy nature is normal and is one reason keepers enjoy them in planted tanks.

The species is territorial and will often defend a small area, especially males. This is why can yellow benana vampire crabs live together is yes, but only with enough space, structure, and multiple feeding spots. Their behaviour includes climbing, grooming, scavenging, and waving claws during social interactions. A calm, enriched enclosure encourages more natural yellow benana vampire crab behaviour and makes them easier to observe.

If you want them to be more visible, provide a dark substrate, several hides, and a predictable feeding schedule. A quiet room with minimal vibration also helps. Keepers who understand what day yellow benana vampire crabs eat and when yellow benana vampire crabs are most active usually see better long-term behaviour because the crabs are not constantly disturbed.

Why Buy Yellow Benana Vampire Crabs from Tropical Fish Co?

Our Yellow Benana Vampire Crabs are selected for strong colour, good body condition, and reliable acclimation to UK aquarium conditions. When you buy freshwater crabs UK from us, you are getting a crab that has been prepared for life in a controlled indoor setup rather than rushed through the supply chain. We quarantine stock before sale, check feeding response, and ensure each crab is stable before dispatch. That is especially important for buyers searching freshwater invertebrates for sale UK, yellow benana vampire crab shop UK, yellow geosesarma crab for sale UK, and order yellow vampire crab UK.

Your crab is packed in insulated materials with professional live-animal methods, and heat packs are used in colder weather when needed. We also include practical care guidance so you can set up the right yellow benana vampire crab tank setup from day one. If you are deciding which yellow benana vampire crab to buy or which yellow benana vampire crab is best, choose the one that matches your tank size and experience level. Our live arrival approach is designed to reduce stress and give your crab the best possible start.

Order your Yellow Benana Vampire Crab today with confidence if you want a compact, colourful, and rewarding small freshwater crab for sale UK species. We help hobbyists who are looking for may yellow benana vampire crab for sale, might yellow benana vampire crab for sale, or simply a dependable source of rare freshwater crab for sale UK stock.

Why Choose Tropical Fish Co for Yellow Benana Vampire Crab Geosesarma sp.

  • Carefully acclimated crabs with stable feeding response before sale
  • Practical support for paludarium setup, humidity, and diet planning
  • Live-animal packing designed for sensitive terrestrial invertebrates

Complete your setup with Nerite Snail for algae control, Fire Red Cherry Shrimp for a colourful nano display, and Ember Tetra for upper-water movement in a larger paludarium. For food and maintenance, pair this crab with Invertebrate Crab Food, Shrimp Pellets, and Coconut Fibre Substrate. If you are building a planted enclosure, Java Moss is an excellent finishing touch.