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The Texas cichlid (Herichthys cyanoguttatus), also known as the Rio Grande cichlid, is a freshwater fish of the cichlid family, and the only cichlid species that is native to the United States. It is found in the lower Rio Grande drainage in Texas near Brownsville and northeastern Mexico .
Herichthys is a genus of cichlid fishes native to North and Central America.Most are endemic to Mexico, but H. cyanoguttatus is also found in southern Texas (United States), and has been introduced to central Texas and Florida.
Cichlids are one of the largest vertebrate families in the world. They are most diverse in Africa and South America. Africa alone is host to at least an estimated 1,600 species. [19] Central America and Mexico have about 120 species, as far north as the Rio Grande in South Texas.
Texas cichlid, Rio Grande cichlid: Herichthys cyanoguttatus: 30 cm (12 in) T-bar cichlid: Amatitlania sajica: 9 cm (3.5 in) Wolf cichlid: Parachromis dovii: 72 cm (28 in) Yellowjacket cichlid: Parachromis friedrichsthalii: 28 cm (11 in) False yellowjacket cichlid: Parachromis motaguensis: 30 cm (12 in)
Adult Cichla orinocensis is easily recognized by its three large gold-edged spots (not bars) on the side of the body [2]. The speckled peacock bass is the largest species and can grow to 1 m (3.3 ft) in length, and may be the largest of all cichlid fishes.
There are two families within the Cichliformes; the convict blennies are a small family consisting of a single genus and two species, while the cichlids are one of the largest vertebrate families with over 202 genera and more than 1700 species. It is molecular data which placed the two seemingly dissimilar families in the same taxon.
Saxatilia lepidota is a species of cichlid native to South America. It is found in the Paraná River basin, it is widespread in the Paraguay River drainage in Brazil and Paraguay and the lower Paraná (below Guaira) in Paraguay and Argentina, and it is also along the coast of the Rio Grande do Sul, Brazil.
The Rio Grande silvery minnow or Rio Grande minnow (Hybognathus amarus) is a small herbivorous North American fish. It is one of the seven North American members of the genus Hybognathus, in the cyprinid family. The Rio Grande silvery minnow is one of the most endangered fish in North America, according to the U. S. Fish and Wildlife Service ...