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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.
The redspotted sunfish is a freshwater fish that can be found throughout the Mississippi River Valley.The distribution spreads north into Illinois and to the Ohio River, west into Texas and to Oklahoma's Red River, and east to the Chattahoochee River in Georgia. [5]
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.
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.
The largest species in the genus, the speckled peacock bass (C. temensis), reaches up to 13 kg (29 lb) in weight and 1 m (3.3 ft) in length, possibly making it the largest species of cichlid [16] (others suggest that record goes to the African giant cichlid, Boulengerochromis microlepis). [17] Other peacock bass species are smaller. [18]
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 ...
The fish start growing small white pin-prick like growths on their fins or skin and this is often mistaken for infection by Ichthyophthirius multifiliis in the early stages. It soon clumps together to form a cauliflower-like growth on the skin, mouth, fins, and occasionally the gills .