Endler's Livebearer
Poecilia wingei
Min Tank Size
38L
Adult Size
3 cm
Lifespan
2 years
School Size
6+
About
Native to the coastal lagoons of northeastern Venezuela, Endler's livebearers punch well above their weight in terms of visual impact. 5 cm and are absolutely covered in iridescent metallic spots, bold bars, and splashes of orange, green, and black that shift under light in a way you just don't expect from such a tiny fish. Females are larger, plainly colored, and built for making more Endlers.
Hardy doesn't quite capture it. These fish tolerate a wide pH range and aren't particularly fussy about temperature within reason, making them genuinely forgiving for new hobbyists. They do best in slightly hard, alkaline water that mirrors their Venezuelan lagoon origins, but they adapt well. Gentle filtration is important because strong flow will stress them and tire out the males unnecessarily.
A planted setup is ideal. Dense vegetation gives fry a fighting chance at survival and lets males display properly against a green backdrop. Feed them a varied diet of small foods like micro pellets, baby brine shrimp, daphnia, and crushed flake. Their mouths are tiny, so particle size matters more than people realize.
Temperament is peaceful across the board, though males will posture and chase each other briefly. It rarely escalates into anything damaging. The main thing that catches people off guard is how fast a colony grows. A small group becomes a thriving population before you know it, especially in a well-planted tank where fry can hide.
If you want to see how other hobbyists are housing these, browsing real tank builds featuring Endler's is genuinely inspiring for nano and planted setups alike.
Water Parameters
Temperature
°CpH
GH
dGHKH
dKHSwimming Level
Flow Preference
Keeping multiple Endler's Livebearer together
Endler's Livebearer are shoaling fish and need company of their own kind. Keep a group of at least 6. Smaller groups leave them stressed, washed-out in color, and prone to hiding.
Compatibility
Endlers work beautifully in nano and community tanks with similarly sized, peaceful fish. Ember tetras, chili rasboras, pygmy corydoras, otocinclus, and small rasboras are all excellent matches. Avoid anything large enough to eat them, and steer clear of nippy species like tiger barbs or serpae tetras since the males' flowing tails make them targets. Shrimp compatibility is conditional: adults are generally ignored, but fry and small dwarf shrimp like neocaridinas can be picked off. Never house Endlers with guppies unless hybridization is acceptable to you, because crosses are almost guaranteed.
Commonly kept with
Species this one is most often paired withCommonly tried but avoid
Often paired, but shouldn't beCare Notes
The biggest beginner mistake is underestimating reproduction. A trio quickly becomes dozens in a well-planted tank, and rehoming Endlers can be genuinely difficult since they're so common. Plan for population management from the start. Food particle size is another oversight. Standard flake crumbles are often too large for their small mouths, so crush food finely or use appropriately sized micro foods. Avoid strong current from powerful filters because these are small fish from calm lagoons. A sponge filter or low-output hang-on works well and keeps fry from getting sucked in.
Behavior & Aggression
Males display and occasionally chase each other, especially in smaller tanks or when females are outnumbered. This rarely causes physical damage since their mouths are tiny, but constant harassment can stress subordinate males into hiding. The real aggression concern is male-to-female harassment. A lone female with multiple males will be pestered relentlessly. Keeping two or more females per male distributes the attention and keeps everyone healthier. Remove or rehome excess males if the ratio gets skewed as fry mature.
Things to Know
- Prolific livebearer, expect fry every 23-24 days
- Keep 2+ females per male to prevent harassment
- Will hybridize with guppies, keep species separate
- Population can explode quickly in planted tanks with hiding spots
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