Mexique - List of fishes

It is less aggressive than other species of American cichlids of the same size. A bump develops on the neck of the male. It is appreciated by aquarists for its rich colors, but it must be kept in a large aquarium (more than 1000 liters).

The female is larger than the male. It is an ovoviviparous species: the male fertilizes it partner through an oviduct. The eggs hatch in the body of the female, where they complete their development. Each female gives birth to 10 or 20 juveniles. It easily accommodates to life in the aquarium, but it may chew on plants and be aggressive towards other fish species.

The Tequila Splitfin is a small freshwater fish, with males measuring up to 6 cm and females up to 8 cm. This viviparous fish inhabits calm rivers and shallow pools. Despite being considered extinct in the wild, reintroduction programs have restored a small population in its natural habitat. It is currently classified as an endangered species.