Hot Water Fish

Guppy endler

  • Scientific name: Poecilia wingei
  • Common Name: Guppy Endler
  • Aquarium size: 40 liters
  • Temperament: Calm
  • Temperature:  Between 24ºC and 30ºC
  • pH: Between 7 and 8.5
  • Diet: Omnivore
  • Length: 2.5 cms, males. 4.5 cms, females


The Guppy Endler (Poecilia Wingei) is a family of the Poecilia Reticulata ( Guppy ) , in fact if they are raised in the same aquarium, they could hybridize and also produce specimens that in turn would be fertile.
This fish was discovered twice, firstly in 1937 by Franklyn F. Bond, although its name is due to the discovery of John Endler in 1975.
It is thought that there may still be some place where they can live in freedom, but it is difficult since their original habitats are heavily polluted. The Guppy Endler specimens that we buy in stores come entirely from specialized breeders.


In the aquarium, males are preferred by aquarists, for their showy and metallic colors, which may be due to their original habitat, green waters rich in algae, hot and hard.
This is one of the most evident sexual dimorphisms, while males present colors, ranging from red, orange, to blue-turquoise tones. What is characteristic is that the specimens are always lined with red, orange, black, green, white and blue spots , which create that attractive multicolored effect.
However, the females have a gray, gold or silver color, with a lighter belly.
The tail in both sexes is completely transparent, with colored upper and lower edges.
Another sexual difference is found in size, while the male can measure about 2.5 centimeters, the female is much larger, reaching 4.5 centimeters.
As with Guppies, they are very easy to hybridize and genetically modify, so now larger varieties of Guppy Endler can be found with different shapes and sizes.

Distribution and habitat

Its origin is in the Laguna de Patos, in Venezuela , an area that was part of the ocean, but due to the sand banks it became a completely independent lake with fresh water.
This water, when the Guppy Endler was discovered, had a greenish appearance, due to the high concentration of algae.
They are currently difficult to find in the wild, but their distribution would be in the Campoma and Buena Vista lagoons, in northwestern Venezuela.

Aquarium conditions

The size of the aquarium to keep the Guppy Endler will depend on the number of specimens we want to have.
In principle, a 40-liter aquarium would be ideal to house one or two males and several females, at least three per male.
This ratio is recommended, (1 male to three females) due to the constant harassment to which they are usually subjected.
The aquarium should maintain a temperature between 24ºC and 30ºC , with a pH between 7 and 8.5, with moderately hard water.
They will be in a good environment, if we introduce a good amount of plants, as well as some floating species, but leaving enough space for them to swim, they are very active.
The substrate must be composed of sand or fine gravel.
They do not need a very powerful filtering , because these fish cause little waste, it is not recommended that the aquarium have too much current, they like calm waters.

Aquarium decoration

  • Best aquarium sand
  • Best gravel for aquarium
  • Best akadama for aquarium
  • Best Aquarium Ornaments 
  • Best logs for aquariums
  • Best rocks for aquariums
  • Best backgrounds for aquariums
  • Best artificial plants


They are omnivorous fish. In nature they feed on zoobenthos and detritus, so it is not too difficult to feed them.
In the aquarium we can provide them with suitable dry food, as well as mosquito larvae and plant foods, such as lettuce leaves (in very small pieces).
If we don’t provide them green food, they can consume algae directly from the plants.

Everything you need to maintain your aquarium

  • Best digital pH meter
  • Best Aquarium Test
  • Best anti-algae
  • Best bacteria for aquarium
  • Best siphoner for aquarium
  • Best Aquarium Water Clarifiers
  • Best reverse osmosis filters for aquarium
  • Best UV lamps for aquariums

Behavior and compatibility

They are very calm fish with a gregarious nature, so it is convenient to have a small group of fish.
In the aquarium they will be perfect with other small species, with which they will not enter into any type of conflict.
A good combination would be dwarf corydoras , small rainbow fish , and peaceful tetras .
Males are usually quite calm, but females can be territorial. If the group is large enough, this situation is eliminated.
Keep in mind that if you mix them with the Guppy (Poecilia Reticulata) they could cross.

Guppy Endler Compatible Fish

Compatible fish without restrictions

  • Tiger Barbel
  • Harlequin
  • Rasbora Galaxy
  • Corydoras
  • Drunk
  • Ancistrus
  • Neon Tetra
  • Botia Clown
  • Ax fish
  • Mollys

Compatible fish without restrictions

  • Boraras
  • Chinese Neon
  • Female betta
  • Little nun
  • Silver dollar
  • Kribensis
  • Snail Apple
  • Barbel Cherry
  • Otocinclus
  • Guppy endler

Restricted Compatible Fish

  • Ramirezi
  • Angel fish
  • Platy
  • Rainbow
  • Koi carp
  • Goldfish
  • Telescope
  • Disk
  • Wasp
  • Gourami Pearl


The Guppy Endler is very easy to reproduce in a normal aquarium . If you maintain a community of females and males, you will observe how there are fry from time to time, without having to have done anything to get them.
However, if you want to have more control over its reproduction, you should follow the following tips:

  • It is convenient to keep several females for each male. As I mentioned at the beginning, at least three females per male, due to the constant harassment they are subjected to.
  • The aquarium must be well planted, to facilitate the laying of eggs.
  • The mating ritual begins with the male showing his fins, in a dance performed in front of the females.
  • Females can lay their eggs after 23-24 days.
  • It is convenient to have a breeding aquarium prepared. When the female has spawned, we will take her back to the main aquarium, since first-time females can eat their fry.
  • The female keeps the male’s sperm inside her, so they don’t need to be together, once the female Guppy Endler is pregnant.
  • The fry will accept shrimp nauplii or powdered scales from birth, they grow very quickly and in a period of three to five weeks, males can be differentiated from females.

Guppy Endler Fish Photos

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