Ptychochromoides
Encyclopedia
Ptychochromoides is a genus of fish
in the cichlid
family from Madagascar
. Of the tree described species, two are critically endangered
and one was considered extinct until rediscovered in late 2010.
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...
in the cichlid
Cichlid
Cichlids are fishes from the family Cichlidae in the order Perciformes. Cichlids are members of a group known as the Labroidei along with the wrasses , damselfish , and surfperches . This family is both large and diverse. At least 1,300 species have been scientifically described, making it one of...
family from Madagascar
Madagascar
The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...
. Of the tree described species, two are critically endangered
Critically endangered
Version 2010.3 of the IUCN Red List of Threatened Species identified 3744 Critically Endangered species, subspecies and varieties, stocks and subpopulations.Critically Endangered by kingdom:*1993 Animalia*2 Fungi*1745 Plantae*4 Protista-References:...
and one was considered extinct until rediscovered in late 2010.
Species
At present the genus includes three species, but formerly it also included Katria katria, which only was moved to its own genus in 2006.- Trondo maintyTrondo maintyThe trondo mainty is a critically endangered species of fish in the cichlid family. It is endemic to the Onilahy River Basin in southwestern Madagascar. Its remaining range covers less than , and it is highly threatened by habitat loss, fishing and competition/predation by introduced species...
(Ptychochromoides betsileanus) - Ptychochromoides itasyPtychochromoides itasyPtychochromoides itasy is a species of cichlid fish from central Madagascar. Until rediscovered in a pond in late 2010, it was only known from Lake Itasy where last seen in the 1970s. Consequently it was considered extinct and remains listed as such by the IUCN...
- Ptychochromoides vondrozoPtychochromoides vondrozoPtychochromoides vondrozo is a critically endangered species of fish in the Cichlidae family. It is endemic to the Mananara-sud river and its tributaries near Vondrozo in southeastern Madagascar. These are deep and moderate to fast-flowing. Its entire range covers less than , which makes it highly...