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Freshwater fish of Mexico — species native to rivers, lakes, streams, and ephemeral waters within Mexican North America; Pages in category "Freshwater fish of ...
The surface and cave forms of the Mexican tetra have proven powerful subjects for scientists studying evolution. [28] When the surface-dwelling ancestors of current cave populations entered the subterranean environment, the change in ecological conditions rendered their phenotype—which included many biological functions dependent on the presence of light—subject to natural selection and ...
Endemic fish of Mexico (2 C, 142 P) ˜ Freshwater fish of Mexico (228 P) ...
According to Miller and Conner (1997) there are 14 species of fish in Lake Catemaco. Two species, Micropterus salmoides Lacepède and Oreochromis aureus Steindachner have been introduced into the lake, and another two species, Vieja fenestrata Günther and Ophisternon aenigmaticum Rosen & Greenwood, are widespread throughout eastern Mexico and Central America.
Pages in category "Freshwater fish by location" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. A.
This fish is one of the larger cichlids. The body is oval and flattened on the sides and the head is tapering towards the mouth. Fins are spiny. It has a base color of yellow-brown to gray-brown in most cases, that becomes intense red during breeding. The head and throat are reddish, especially in younger fish.
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In their existing location in the spring pool, Z. tequila fish typically eat various zooplankton and insect larvae, with chironomid larvae being most popular. [ 15 ] [ 16 ] The conical teeth that can be found on this fish imply it is a predator that hunts small invertebrates or larvae in the wild, though wild populations aren’t attainable to ...