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Hyphessobrycon(see text) Hyphessobrycon Meek, 1904, is a genus of freshwater fish in the characin family (family Characidae) of order Characiformes. The type species is H. compressus, the Mayan tetra, and the Hyphessobrycon species are among the fishes known as tetras. All species of this genus are native to the Neotropic ecozone in South America. All small fishes, the Hyphessobrycon tetras reach maximum overall lengths of about 2–7 cm (0.75–2.75 in). They are generally of typical characin shape, but vary greatly in coloration and body form, many species having distinctive black, red, or yellow markings on their bodies or fins. The Hyphessobrycon species are generally omnivorous, feeding predominantly on small crustaceans, insects, worms, and zooplankton. When spawning, they scatter their eggs and guard neither eggs nor young. None of the roughly one hundred fishes in the genus appears on the IUCN Red List of threatened species. The generic name, Hyphessobrycon, is of slightly uncertain origin. The second part derives from the Greek βρύκω (to bite); the first, according to FishBase, derives from an ostensible Greek hyphesson, which may be an error for υπελάσσων (slightly smaller). Species References
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