Double Red Agassiz's Dwarf Cichlid (Apisto Agassizii) - UK

Apisto Agassizii is one of those fish that makes experienced aquarists stop and look twice. The Apistogramma agassizii Double Red, often sold as the Agassiz Cichlid Double Red or Double Red Agassizi, combines the elegant body shape of a classic Amazon dwarf cichlid with intense red edging through the dorsal, caudal and anal fins. Native to slow-moving South American waters, this Agassiz Dwarf Cichlid stays manageable at around 7.5 cm, lives up to 5 years with good care, and offers a fascinating mix of colour, intelligence and parental behaviour. It is a moderate care fish rather than a beginner “drop-in” species, but it rewards careful keepers with far more personality than many community fish.

For aquarists researching Apistogramma Agassizii care guide details, this variety stands out because it suits a thoughtfully planned soft-water aquarium, especially an Apistogramma agassizii for planted aquarium layout with leaf litter, wood and cave structure. Many hobbyists consider it among the best apistogramma for planted tank displays because the red finnage contrasts beautifully against green plants and dark substrate. See our detailed photos showing body shape, finnage and the colour difference between double red agassizi male and female specimens, so you can better judge sexing, maturity and pair formation before choosing your fish. If you want a colourful, characterful South American cichlid UK aquarists genuinely enjoy keeping, this is a superb choice.

Where Do Apisto Agassizii Come From? Natural Habitat Explained

The natural home of Apisto Agassizii is the Amazon basin in South America, especially parts of Peru and Brazil. In the wild, Apistogramma agassizii inhabits calm tributaries, flooded forest edges, leaf-litter zones and shallow marginal areas where the water is often soft, warm and stained with tannins. This apisto agassizii habitat matters because it explains nearly every part of successful aquarium care: subdued light, shelter, low to moderate flow and a secure bottom territory.

Wild fish are usually found among fallen branches, roots and decomposing leaves, where they hunt tiny crustaceans, insect larvae and other microfauna. That is why Apistogramma agassizii feeding works best when you offer small, protein-rich foods rather than large flakes aimed at general community fish. Their natural environment also tends to be slightly acidic, which is why the recommended Apistogramma agassizii pH range of 5.5-7.0 is not just a number on a care sheet; it reflects where the species evolved.

Many colour forms seen in the hobby are line-bred or location-linked variants rather than exact wild imports. You may see names such as apistogramma agassizii alenquer, apistogramma agassizii tefe, apistogramma agassizii blue, apistogramma agassizii yellow and apisto agassizii blue flame. The Double Red is a selectively enhanced ornamental form prized for stronger red finnage, while fish sold as apistogramma agassizii fire red or apistogramma agassizii super red may show even more extensive red coverage depending on strain. In practical care terms, all of these forms still benefit from Amazon-style conditions.

Because this species comes from warm tropical freshwater, it is best described as a freshwater cichlid UK keepers should house in a mature, stable aquarium rather than a newly set-up tank. If you recreate the blackwater feel with botanicals, caves and visual barriers, you will usually see calmer behaviour, stronger colour and more natural courtship displays.

How to Set Up the Perfect Tank for Apisto Agassizii

A proper Apistogramma agassizii tank setup starts with floor space rather than height. Although the official Apistogramma Agassizii tank size minimum is 60 litres for a pair, a more comfortable footprint is ideal, especially if you want a breeding setup or mixed community. For a bonded pair, 60-75 litres can work well. For a harem of one male with two or three females, or for a more complex planted display, 90 litres and up is much safer. If you are specifically researching apistogramma agassizii double red tank size needs, think in terms of territory: each female wants a secure cave zone, and the male needs room to patrol without constantly harassing her.

Tank Size Requirements

The average apistogramma agassizii size is around 7.5 cm for males, with females smaller and deeper-bodied. The stated apistogramma agassizii double red size is similar, but finnage can make mature males look larger. A single pair can be kept in a species-focused aquarium, but if you want apisto agassizii for community tank success, start larger. A 90 cm tank gives better line-of-sight breaks and reduces territorial disputes during spawning.

Water Parameters

The ideal Apistogramma Agassizii water parameters are stable and slightly soft. Aim for an Apistogramma agassizii temperature of 24-28°C, with an apisto agassizii temperature range sweet spot around 25-27°C for everyday maintenance. For conditioning and spawning, many keepers use an Apistogramma agassizii breeding temperature of 26-28°C. The preferred Apistogramma agassizii water hardness is 2-12 dGH, with softer water generally improving breeding success and fry survival. Keep pH between 5.5 and 7.0; lower values often enhance confidence and courtship in mature pairs.

Filtration

Use gentle but reliable filtration. Air-driven sponge filters are excellent in breeding tanks because they are fry-safe and produce low flow. In display aquariums, a small external or internal filter with spray-bar diffusion works well. Avoid blasting current across the bottom, as these fish naturally occupy calmer zones. If you are planning Apistogramma Agassizii breeding, low-flow filtration helps the female hold territory and shepherd fry more effectively.

Substrate

Fine sand is strongly recommended. It protects delicate mouths during foraging and suits the species’ natural bottom-dwelling habits. Dark sand also makes a Red Apistogramma look more vivid by contrast. Keep substrate depth modest, around 2-4 cm, and add almond leaves or similar botanicals if you want a more natural blackwater look.

Plants & Decor

Apistogramma agassizii for planted aquarium layouts work extremely well when planting is dense around the edges but open in the centre. Use wood, coconut caves, small ceramic caves and leaf litter to create territories. Floating plants help reduce brightness. If you are comparing species, this is one reason some hobbyists call it the best apistogramma for planted tank displays. For colour comparisons, you can also view Apistogramma Fire Red Agassiz Dwarf Cichlid and Welcome Beautiful Apistogramma Agassizii 'Super Red' to see how different strains present in planted scapes.

Lighting Requirements

Moderate lighting is ideal. Very bright, exposed tanks can make fish nervous unless softened with floating plants and wood cover. A 6-8 hour photoperiod is usually enough for the fish and most easy plants. Stronger light can be used if the hardscape creates enough shade.

What Do Apisto Agassizii Eat? Complete Feeding Guide

Apistogramma agassizii feeding should reflect the fact that this is an omnivore with a strong taste for tiny live and frozen prey. In nature, the species picks through leaf litter and substrate for insect larvae, crustaceans and other small foods. In the aquarium, the best apisto agassizii diet combines quality micro pellets with frozen brine shrimp, daphnia, cyclops and occasional bloodworm in moderation.

Staple Foods

A fine sinking micro pellet or soft granule should be the daily staple. Choose a food that reaches the lower levels quickly, because this species feeds near the bottom. Good staple feeding supports growth, colour and the full Apistogramma Agassizii lifespan potential of around 5 years.

Supplemental Foods

Frozen brine shrimp and daphnia are excellent 3-4 times per week. These foods improve condition and help maintain body weight without excessive fat buildup. If you are preparing a double red apisto breeding pair, increased variety often triggers stronger courtship and better egg production.

Treats & Special Foods

For conditioning, use small live foods where practical. This is especially useful in apisto agassizii pair care before spawning. Rich but controlled feeding also helps intensify finnage in a mature Apistogramma agassizii Double Red, especially when paired with excellent water quality and dark décor.

Feeding Frequency & Portion Control

Feed small amounts twice daily. Offer only what the fish can finish in 1-2 minutes. In community tanks, make sure faster midwater fish do not intercept everything before it sinks. A shy female guarding a cave may need food delivered close to her territory.

Time	Food	Amount
Morning	Micro pellet or soft granule	Small pinch, fully eaten in 1 minute
Evening	Frozen brine shrimp or daphnia	Small portion, no leftovers

Foods to Avoid

Avoid oversized pellets, excessive bloodworm, and cheap floating foods that never reach the fish properly. Do not overuse fatty treats. If medication is needed in a mixed setup, always read labels carefully; some treatments are unsuitable when shrimp or snails are present.

Apisto Agassizii Appearance: Colors, Patterns & Varieties

The classic body shape of Apisto Agassizii is long and elegant, with an extended dorsal fin, pointed face and a broad tail that gives mature males a striking profile. Typical apisto agassizii size is around 7-7.5 cm for males, while females remain smaller. The apistogramma agassizii double red size is not dramatically different from other strains, but the fin extensions and colour make the fish appear more impressive.

The Double Red form is prized because red appears strongly in multiple fins rather than in just one area. A mature male often shows yellow-gold body tones, dark lateral markings and vivid red edging across the dorsal and tail. That is why many hobbyists searching for a Red Apistogramma end up choosing this morph. Females are subtler, usually with yellowish tones, darker patterning and a stronger brood-care colour shift when guarding eggs. If you are wondering about apistogramma agassizii double red male or female identification, males are larger, more elongated and much more colourful, while the apistogramma agassizii double red female is smaller and rounder.

Common hobby comparisons include apistogramma agassizii double red vs super red and double red agassizi vs gold red agassizi. In simple terms, Double Red usually means red is visible in both dorsal and caudal areas, while Super Red strains may show heavier red saturation overall. Gold Red fish often have warmer yellow-gold body tones. You may also see interest in apisto agassizii blue or apisto agassizii blue flame, which refer to different colour expressions rather than the same look as Double Red.

Our photos show the finnage shape, body line and colour balance you can expect from a healthy, well-conditioned pair, including the contrast between a display male and a cave-oriented female.

What Fish Can Live With Apisto Agassizii? Compatibility Guide

Apisto agassizii behaviour is often described as peaceful with a territorial streak, and that is accurate. Outside breeding, they are usually calm and manageable. During spawning, the female becomes far more defensive around her cave and fry. That means Apistogramma Agassizii tank mates should be chosen for temperament, swimming level and respect for territory rather than just matching water parameters.

Ideal Tank Mates

The best choices are small, peaceful midwater fish that do not compete for caves. Pencilfish are excellent because they stay above the cichlids and add movement without causing stress. Small tetras can also work in larger aquariums. Corydoras are possible, but use caution in breeding tanks because they may wander into territories and eat eggs. If you are building a peaceful planted display, Apistogramma Borellii «Opal» - Opal Umbrella is another attractive dwarf cichlid to compare for calmer community setups, though it should not be mixed in small tanks with breeding Agassizii.

Species to Avoid

Avoid large cichlids, boisterous barbs, fin-nipping species and aggressive bottom dwellers. These fish either outcompete the apistos for food or create constant territorial stress. This is especially important when planning apistogramma agassizii double red tank mates in a compact aquarium. Also avoid mixing multiple male apistogramma species unless the tank is very large and carefully structured.

Community Tank Stocking Examples

For a 60-75 litre aquarium, a single pair can be the focal fish with a small top-dwelling shoal if the layout is dense. In a 90 litre or larger planted tank, a pair can work with 8-12 pencilfish and a modest group of small tetras. If your goal is a peaceful dwarf cichlid breeding pair setup, skip most bottom tank mates entirely and let the pair control the lower zone.

Compatibility with Invertebrates

Snails are usually fine. Small shrimp may be hunted, especially juveniles, so shrimp should not be considered fully safe. Amano-sized shrimp stand a better chance than tiny Neocaridina, but even then there is risk.

Species	Compatible?	Notes
Apistogramma Borellii «Opal» - Opal Umbrella	⚠️ Caution	Better compared than mixed; separate territories needed in large tanks
Apistogramma Fire Red Agassiz Dwarf Cichlid	⚠️ Caution	Similar niche; not ideal to mix in smaller aquariums
Apistogramma Agassizii	✅ Yes	Best kept as a true pair or structured group within the same species
Small tetras	✅ Yes	Good dither fish in larger planted aquariums
Large aggressive cichlids	❌ Avoid	Cause stress, injury and feeding competition

If you are comparing species, Apistogramma Agassizii vs Apistogramma cacatuoides is a common question. Apistogramma cacatuoides often tolerates slightly harder water and is frequently suggested for newer apisto keepers, while Apisto Agassizii tends to look more streamlined and elegant. Another common search is apisto agassizii vs ram cichlid: rams are often more sensitive to poor water quality and higher temperatures, whereas Agassizii can be a more stable long-term choice in a mature soft-water setup.

For hobbyists exploring alternatives, apistogramma panduro offers a chunkier look and stronger contrast markings, while apistogramma trifasciata is admired for its elongated finnage and horizontal striping. Each has appeal, but the Double Red remains one of the most eye-catching choices for a colourful dwarf cichlid pair UK display.

How to Breed Apisto Agassizii: Complete Breeding Guide

Apistogramma Agassizii breeding is one of the main reasons aquarists fall in love with this species. It is not the easiest dwarf cichlid to breed in every water type, but in a mature soft-water setup it is very achievable. A healthy double red apisto breeding pair will usually form a clear territory, inspect caves and intensify in colour before spawning.

Breeding Setup

Use a 60 litre species tank for a pair, or larger if you are trialling one male with multiple females. Fine sand, several cave options, low flow and warm water are key. The best Apistogramma agassizii breeding temperature is usually 26-28°C. Soft, slightly acidic water often improves hatch rates. If you are planning apisto agassizii breeding, feed small live or frozen foods daily for 1-2 weeks beforehand.

Spawning Behaviour

The female chooses a cave and may turn a stronger yellow brood colour. The male patrols the outer territory while the female guards eggs inside. This is why good apisto agassizii pair care includes multiple visual barriers; even a bonded pair can become aggressive if the female has nowhere secure to retreat. Customers looking for a double red agassizi male and female pair often want exactly this natural spawning behaviour.

Egg Care & Hatching

Eggs are usually attached to the cave roof or wall. The female fans them constantly, and hatching often occurs within 2-4 days depending on temperature. Free-swimming fry follow several days later. Disturbance should be kept minimal during this stage.

Fry Care & Growth

Once free-swimming, fry need very small foods such as infusoria, vinegar eels or newly hatched brine shrimp. Daily small water changes help growth. In soft, clean water, fry can develop quickly, but stability matters more than aggressive feeding.

Common Breeding Challenges

Common issues include infertile spawns, egg predation by tank mates, and pair incompatibility. If the male is too pushy, increase cover or separate after spawning. If eggs fungus repeatedly, review hardness, cleanliness and cave placement. For keepers seeking apistogramma agassizii double red breeding success, patience is essential; some pairs spawn several times before raising a full brood.

Apisto Agassizii vs Similar Species: Which Should You Choose?

Choosing between dwarf cichlids is not just about colour. It is about water chemistry, tank style and the kind of behaviour you want to observe. The most common comparison is Apistogramma Agassizii vs Apistogramma cacatuoides, because both are popular, colourful and suitable for smaller aquariums.

Feature	Apisto Agassizii	Apistogramma cacatuoides
Max Size	About 7.5 cm	About 8 cm
Care Level	Moderate	Moderate, often slightly more forgiving
Temperature	24-28°C	24-28°C
Price	£23.22	Varies by strain
Best For	Elegant planted Amazon displays	Bold personality and beginner-friendly apisto projects

If you want a streamlined fish with strong horizontal lines and a refined look, Apisto Agassizii is often the better pick. If you want a chunkier fish with dramatic dorsal extensions and often greater tolerance of average tap water, apistogramma cacatuoides may be easier. That said, many aquarists still choose the Double Red as the best Apistogramma colour morph for display impact.

Feature	Apisto Agassizii	Ram Cichlid
Water Preference	Soft, slightly acidic	Warm, very clean, often softer water
Temperament	Peaceful, territorial when breeding	Generally peaceful, can be delicate
Best For	Naturalistic caves and leaf litter	Warmer community setups
Comparison	Better for cave-spawning behaviour	Better for open display colour
Common Search	apisto agassizii vs ram cichlid	ram cichlid alternative

You may also compare this fish with Apistogramma Fire Red Agassiz Dwarf Cichlid or Apistogramma Agassizii «Super Red» - Super if your main question is colour expression. For a calmer, softer-looking alternative, Apistogramma Borellii «Opal» - Opal Umbrella is another excellent option.

Common Health Problems in Apisto Agassizii & How to Prevent Them

A healthy Apisto Agassizii should show alert posture, clear eyes, good fin extension, steady appetite and confident territory use. Males should display colour without clamped fins, and females should not hide constantly unless guarding eggs. Because this is a warm-water dwarf cichlid, most health issues trace back to stress, unstable water chemistry or poor diet rather than random bad luck.

Signs of a Healthy Fish

Look for smooth breathing, full finnage, interest in food and normal interaction with décor. A settled pair will patrol the bottom and inspect caves. In a mature tank, healthy fish often show stronger colour after water changes and feeding.

Common Diseases & Symptoms

Watch for white spot, bacterial fin damage, internal parasites, wasting and stress darkening. Newly imported or recently moved fish may also sulk and refuse food for a day or two, but prolonged refusal needs investigation. Bottom-dwelling cichlids are especially affected by deteriorating substrate hygiene and leftover food.

Treatment Options

First response should be water quality correction: test ammonia, nitrite, nitrate and temperature. Increase oxygenation, siphon waste and perform measured water changes. Use a separate hospital tank when possible. Medicate only after identifying the likely cause, because unnecessary treatment can stress dwarf cichlids further.

Prevention Tips

Keep stocking sensible, feed varied foods, and avoid sudden swings in pH or temperature. Stable Apistogramma Agassizii water parameters are one of the best health tools you have. A dark, structured setup also reduces chronic stress and improves immunity over time.

Quarantine Procedures

Quarantine all new fish for 2-4 weeks in a bare-bottom or lightly furnished tank with a sponge filter and hiding place. Observe appetite, droppings, respiration and any external marks before introduction.

Understanding Apisto Agassizii Behavior in the Aquarium

Apisto agassizii behaviour is one of the biggest reasons this species has such a loyal following. These fish are not hyperactive swimmers; instead, they move with purpose, inspect caves, sift around décor and react to their keeper with surprising awareness. In a secure aquarium, a male will often patrol open areas while the female focuses on a chosen shelter.

This species is best described as peaceful but territorial. It is not a schooling fish, and it does not need a crowd of its own kind to feel secure. A single pair or a structured harem is usually best. If you want apisto agassizii for community tank success, the key is giving them a defined lower territory and keeping fast, aggressive fish out of the plan.

Breeding brings out the most dramatic behaviours. Females become bold cave guardians, and males intensify in colour while defending the perimeter. This is why a stunning double red cichlid pair is so rewarding to keep: you are not just buying colour, you are buying behaviour, interaction and a miniature glimpse of Amazonian cichlid life.

Why Buy from Tropical Fish Co?

When customers search for Apistogramma UK, buy Apistogramma agassizii double red UK or Apistogramma agassizii for sale, they are usually not just looking for a fish with a label. They want a healthy, sexable pair with good colour potential and the right body shape. For this reason, our focus with this listing is the true appeal of the product: a matched double red agassizi male and female combination selected for home aquariums where behaviour matters as much as colour.

This product is ideal if you want an apistogramma agassizii pair UK option for a planted display or breeding project. We understand the difference between a random mixed pair and a proper double red apisto breeding pair candidate. Fish are observed before dispatch for feeding response, posture and overall condition, and they are prepared for UK aquarium conditions so they settle more reliably on arrival. Customers looking to buy apisto agassizii breeding pair UK, buy double red apisto pair UK or source a dwarf cichlid breeding pair buy UK listing want confidence in sexing and condition, and that is exactly where careful selection matters.

Each order is packed for transit with insulated materials, secure fish bags, and heat packs in colder weather where needed. Delivery is tracked, and packing is designed to reduce sloshing stress during transport. If you are comparing Apistogramma Agassizii price UK, double red agassizi pair price UK or apistogramma agassizii double red price, remember that healthy, feeding fish with proper packing are worth more than a cheaper but poorly prepared shipment. For aquarists searching agassizi double red buy online UK, apisto agassizii for sale or apistogramma agassizii double red for sale UK, this is a strong option for a serious Amazon setup.

Whether you want a pair dwarf cichlid UK centrepiece, a tropical cichlid UK breeding project, or a refined South American cichlid UK display fish, this pair offers colour, personality and genuine hobby value. Order your Apisto Agassizii today with confidence and build a tank that shows off one of the hobby’s most rewarding dwarf cichlids.

You Might Also Like

If you are planning a full Amazon-style setup, compare this pair with Apistogramma Fire Red Agassiz Dwarf Cichlid for a different red expression, or view Apistogramma Agassizii «Super Red» - Super if you are deciding between Double Red and Super Red strains. For a softer, calmer alternative, Apistogramma Borellii «Opal» - Opal Umbrella is a lovely planted-tank dwarf cichlid. You can also revisit OF Apistogramma Agassizii «Double Red» and Apistogramma Agassizii to compare this listing with the main product page and confirm the right choice for your aquarium plan.