Endler Guppy male red rainbow LT (Poecilia wingei) — 1,5-2,5cm

Overview

The Endler's Guppy (Poecilia wingei), also known as the Endler's Livebearer, is a tiny, brilliantly colored, peaceful fish that is active, hardy, and easy to breed. Native to the Paria Peninsula in Venezuela, this species is one of the smallest livebearers, with males reaching just 2.0-2.5cm and females 3.5-4.5cm. Despite their diminutive size, Endler's Guppies display some of the most intense and varied coloration in the aquarium hobby, with males exhibiting dazzling patterns of orange, black, green, and blue. These prolific breeders are ideal for nano aquariums and peaceful community setups, suitable for aquarists of all experience levels. Available to buy tropical fish uk from Tropical Fish Co, these captivating livebearers reward keepers with constant activity, stunning colors, and fascinating breeding behavior.

Appearance

Male Endler's Guppies reach approximately 2.0-2.5cm in length and display extraordinary coloration with patterns that can include intense orange, yellow, green, blue, black, and metallic highlights. No two males are identical, and selective breeding has produced numerous color strains. Females are significantly larger (3.5-4.5cm) and show subdued coloration, typically with a rounded, gravid body shape when carrying young. Males have a modified anal fin (gonopodium) used for reproduction. Despite their tiny size, these fish are constantly active and their brilliant colors create a stunning visual impact, particularly when kept in larger groups.

Natural Habitat

This species is native to the Paria Peninsula in Venezuela, where it inhabits warm, hard-water lagoons, pools, and slow-moving streams with abundant vegetation. In the wild, Endler's Guppies form large groups near the surface and among plants, feeding on small invertebrates, algae, and organic matter. The water in these habitats is typically warm (22-28°C), slightly acidic to slightly alkaline (pH 6.5-8.0), and moderately hard. The species is considered vulnerable in the wild due to habitat loss and hybridization with introduced guppies, making captive pure-strain populations increasingly important for conservation.

Aquarium Setup

A minimum tank size of 20 litres is suitable for a small group of Endler's Guppies, making them ideal for nano aquariums. Structure the aquarium with abundant plants, including floating vegetation to provide cover for fry and create natural territories. Use a sandy or fine gravel substrate and provide gentle filtration—avoid strong current, as these tiny fish prefer calm conditions. Ensure the filter intake is protected with a sponge or fine mesh to prevent fry from being sucked in. Good lighting enhances the males' brilliant coloration. Endler's Guppies are active surface-dwellers, so leave ample open water at the top of the aquarium. A lid is recommended, as these fish can jump.

Water Parameters

This species is highly adaptable and hardy, tolerating a broad pH range from 6.5 to 8.0. Maintain stable temperatures between 22-28°C and low to moderate water hardness (6-20 dGH)—Endler's Guppies actually prefer slightly harder water than many tropical species. Perform weekly water changes of 25-30% to maintain excellent water quality. Test parameters regularly using liquid test kits, ensuring ammonia and nitrite remain at zero. The species' hardiness and adaptability make it ideal for beginners, though clean water is essential for maintaining vibrant coloration and preventing disease. Avoid sudden fluctuations in temperature or pH.

Feeding

Poecilia wingei is an omnivore that feeds on small invertebrates, algae, and organic matter in the wild. In captivity, offer a varied diet of high-quality micro-pellets or finely crushed flakes as a staple, supplemented regularly with frozen or live foods such as daphnia, baby brine shrimp, and mosquito larvae. Include occasional vegetable matter or spirulina-based foods to provide dietary balance. Feed small portions two to three times daily, ensuring all fish receive adequate nutrition—the species' small size means they cannot consume large food particles. Quality varied diet supports brilliant coloration, health, and reproductive success.

Behaviour

This species displays peaceful, highly active behavior with males constantly displaying to females and engaging in harmless sparring with other males. Endler's Guppies are surface-oriented and constantly on the move, exploring all areas of the aquarium. Males perform elaborate courtship displays, vibrating their bodies and flashing their colors to attract females. The species is social and does best in groups with multiple males and females—a ratio of 2-3 females per male prevents harassment of individual females. Despite constant breeding activity, Endler's Guppies are peaceful toward tankmates and ideal for community setups.

Tank Mates

Compatible tank mates include other peaceful small community fish such as small tetras, rasboras, corydoras, otocinclus, and peaceful shrimp (though very small shrimp fry may be eaten). Choose similarly sized, peaceful species that won't view the tiny Endler's Guppies as prey or outcompete them during feeding. Avoid housing with large predatory fish, aggressive cichlids, fin-nipping species, very large livebearers that may outcompete them, or fish that require very soft, acidic water if kept long-term. The species' tiny size limits tankmate options but makes them ideal for nano community setups with other small, peaceful fish.

Breeding

Endler's Guppies are livebearers that breed readily and prolifically in the aquarium with minimal intervention. Females can store sperm and produce multiple broods from a single mating, giving birth to 10-30 fry every 3-4 weeks. Provide dense plants or breeding cover such as Java moss to protect fry from adult predation, or separate gravid females into breeding boxes if you want to maximize fry survival. Fry are born fully formed and free-swimming, capable of eating finely crushed flake food and newly hatched brine shrimp immediately. With good nutrition and clean water, fry grow quickly and reach sexual maturity in 8-12 weeks.

Why Buy from Tropical Fish Co

At Tropical Fish Co, we specialize in nano aquarium fish and peaceful community species, including pure-strain Endler's Guppies. Our fish are carefully bred, quarantined, and conditioned to ensure they arrive in excellent health, ready to thrive in your aquarium. We provide expert guidance on maintaining pure strains, breeding, and creating ideal nano setups for these tiny but spectacular fish. With reliable UK delivery and a commitment to quality, we're your trusted source for endler's guppy and specialist nano aquarium fish.