Yellow Tuxedo Female Guppy (Poecilia reticulata)

Overview

The Yellow Tuxedo Female Guppy (Poecilia reticulata) is a classic livebearer with a bright, attractive pattern and a lively, peaceful nature. Females are often slightly larger and fuller-bodied than males, and they play an important role in breeding groups, community aquariums, and display tanks where a splash of colour is wanted without aggressive behaviour.

This variety is widely appreciated for its hardiness, adaptability and constant activity. As with all guppies, strong water quality and a sensible stocking plan are key to keeping them in top condition. If you are setting up a new aquarium, verify your local water parameters and match them as closely as possible to the needs of your fish.

At Tropical Fish Co, we supply live tropical fish carefully selected for quality and health. Your fish will be packed for safe transit and should be acclimatised slowly on arrival to reduce stress and help them settle into their new home.

Quick Facts

• Scientific name: Poecilia reticulata
• Trade form: Yellow Tuxedo Female Guppy
• Shipping size: around 3-4 cm
• Adult size: commonly around 4-6 cm for females
• Care level: beginner
• Temperament: peaceful, active livebearer
• Minimum aquarium: 40 litres or larger, with more space for groups
• Temperature: 20-28 C
• pH: 7.0-8.0
• Diet: omnivore
• Tank region: top to middle
• Best for: mature planted community aquariums, female groups and planned breeding colonies

Visual Effect And Group Choice

Female guppies are usually less flashy than show males, but a good Yellow Tuxedo Female Guppy still gives real display value. The appeal is a fuller female body, warm yellow colour and darker tuxedo contrast rather than oversized fins. In a planted tank, the yellow reads clearly against green plants and darker backgrounds, especially when several females move together near the top and middle of the aquarium.

Compared with male guppies, females are more practical for breeding projects and often calmer in mixed groups. Compared with platies, they are slimmer and quicker. Compared with Endler's livebearers, they are fuller-bodied and generally larger. This makes them useful when you want a colourful livebearer group with natural behaviour, not only a single show fish.

Female guppies are social and should not be treated as solitary display animals. They usually settle better in a small group, provided the aquarium is large enough and filtration can handle the stock. If males are present, use sensible ratios so females are not chased constantly. In cramped setups, female guppies can become stressed and lose condition.

Tank Setup

Female guppies are best kept in a mature, filtered freshwater aquarium with stable conditions and plenty of swimming space. A planted aquascape is especially helpful, as live plants and soft cover give them confidence and create calmer social interactions within the group.

We recommend keeping guppies only in aquariums of 40 litres or more, with more room preferred for groups, mixed sex colonies, or community setups. Bigger aquariums are usually more stable and make it easier to maintain water quality, which is essential for livebearers.

• Filtration: Use efficient filtration with gentle to moderate flow.
• Heating: Keep temperature stable; verify the correct range for your water and stock.
• Substrate and decor: Fine gravel or sand works well, with plants, driftwood and resting areas.
• Lighting: Moderate lighting suits planted tanks and brings out the yellow and black tuxedo pattern.
• Water quality: Regular maintenance is vital; perform routine partial water changes and monitor ammonia, nitrite and nitrate.

Because Poecilia reticulata can adapt to a variety of freshwater conditions, the best approach is to maintain consistency rather than chasing specific numbers. If you are unsure about your tap water, verify it with a reliable test kit or your local water supplier before purchasing.

Water Parameters

Our stock records for this specific SKU does not provide water parameters, so this listing uses the project care evidence for Poecilia reticulata: 20-28 C and pH around 7.0-8.0 for planning. Guppies can adapt to a variety of freshwater conditions, but they are healthiest when the tank is stable rather than repeatedly adjusted.

If your water is very soft, acidic or unstable, test it before ordering. Prepare the aquarium in advance and avoid sudden water-chemistry changes on arrival day. Stable, clean, mineral-bearing tropical water is more important than chasing a perfect number.

Diet & Feeding

Female guppies are omnivores and should be offered a varied diet to keep them in good colour and condition. A quality tropical flake or micro pellet can form the staple, supported by regular small servings of frozen or live foods and vegetable matter.

• Staple foods: High-quality tropical flakes or micro pellets
• Protein foods: Frozen or live daphnia, brine shrimp and similar small foods
• Plant-based additions: Spirulina-based foods and blanched veg in small amounts

Feed little and often rather than overfeeding. Guppies have small stomachs and do best with modest portions they can finish quickly. Overfeeding can reduce water quality and increase the risk of digestive problems, especially in smaller aquariums.

Tank Mates & Temperament

Female Yellow Tuxedo Guppies are generally peaceful and active in the upper and middle parts of the aquarium. They are best matched with other calm community species that will not nip their fins or outcompete them for food. Groups of females are usually more relaxed than isolated fish, and they benefit from being kept with compatible companions.

Good Tank Mates

• Other peaceful guppies
• Platies
• Mollies in suitably sized, compatible freshwater setups
• Endler's livebearers
• Corydoras catfish
• Small peaceful rasboras
• Otocinclus

Fish to Avoid

• Large cichlids
• Fin-nipping species such as some barbs
• Aggressive territorial fish
• Large predatory species

Where possible, choose tank mates that share similar water requirements and a peaceful temperament. Guppies can be delicate around overly boisterous tank mates, and females can become stressed if chased continuously or forced to compete for food.

Breeding

This species is a livebearer, which means females give birth to free-swimming young rather than laying eggs. Breeding can happen readily if males are present, so if you want to avoid fry, keep only females or maintain careful sex ratios. If you do want to breed them, provide dense planting and hiding places for young fish.

Female guppies can store sperm and produce multiple broods after a single mating, so new fry may appear even if males are removed later. For that reason, it is sensible to plan your stocking and rearing strategy in advance. If breeding is not your goal, keep an eye on the group and separate fry if necessary.

Health & Common Issues

Guppies are hardy, but like all livebearers they are sensitive to poor water quality and sudden changes. Stable conditions, careful acclimatisation and a varied diet go a long way towards preventing common problems. New fish should always be quarantined where possible before being added to an established display.

• Stress: Often caused by poor water quality, crowding or unsuitable tank mates
• Fin damage: May occur if kept with nippy species
• Digestive issues: Linked to overfeeding or poor diet
• Weak condition: Can result from unstable water parameters or inadequate nutrition

Monitor your fish closely during the first few days after introduction. Healthy guppies are alert, active and keen to feed, with good body condition and normal swimming behaviour. If you notice clamped fins, lethargy or unusual spots, check water quality immediately and verify your aquarium conditions.

Delivery, Acclimation And Live Arrival Guarantee

Your Yellow Tuxedo Female Guppy will be dispatched by UK live-animal courier at around 3-4 cm. We pack live fish carefully for transit and support eligible livestock orders with our Live Arrival Guarantee. Please have a mature, heated and filtered aquarium ready before dispatch.

On arrival, keep lights low, float the sealed bag to equalise temperature, then acclimate slowly to your aquarium water. Do not pour transport water into the aquarium. Avoid heavy feeding on the first day and give the fish time to settle. Stable water, peaceful tank mates and a sensible group plan give this female guppy the best start.