ASTYANAX AENEUS PDF

Scientific name, Astyanax aeneus. Taxonomy navigation. Up › Astyanax. Down Terminal (leaf) node. Common name, Banded tetra. Synonym, Tetragonopterus. Tetragonopterus aeneus Günther, (synonym) Subspecies Astyanax aeneus costaricensis Meek, accepted as Astyanax fasciatus. Astyanax aeneus is a species of ray-finned fishes with 45 observations.

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Nitrogen excretion rates showed little variation among species, and the astywnax of a given species to ecosystem N recycling was largely dependent upon the total biomass of that species.

Connect with us Help us improve the site by taking our survey. In other projects Wikimedia Commons Wikispecies. Forms schools over any type of substrate Ref. EigenmannAstyanax rutilus L. Miranda-RibeiroAstyanax gracilior C. Reproductive traits and population structure of Astyanax aeneus were analyzed along an environmental gradient of the upper, middle and lower sections of the river, where diverse environmental factors were recorded.

Astyanax aeneus

Additional Information Encyclopedia of Life. Uses authors parameter link. Sides and belly silvery over pearl white merging to a greenish brown back; astyanwx preserved specimens, a gray band runs from the humeral mark to the caudal peduncle which has a jet black rhomboidal mark extending to the tip of the middle caudal rays; transparent fins with minimal dark pigment; usually first rays of anal and sometimes dorsal and caudal fins with red or yellow pigment Ref.

Nutrient recycling by animals is a potentially important biogeochemical process in both terrestrial and aquatic ecosystems.

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Their head has a small astganax upturned terminal mouth and large eyes placed directly behind the mouth. The blind and colorless cave tetra of Mexico is a famous member of the genus, but its taxonomic position is disputed: Spawns during most of the year at some sites or seasonally in other places Ref.

Fish caught from Barton Creek, Belize, October Some recognize it as part of astywnax Mexican tetra A. EigenmannAstyanax xeneus C. Add your observation in Fish Watcher Native range Aeenus suitable habitat This map was computer-generated and has not yet been reviewed.

From Wikipedia, the free encyclopedia. EigenmannAstyanax jenynsii C. Gill[1] Astyanax brevirhinus C. By using this site, you agree to the Terms of Use and Privacy Policy. Catch, photo, and identification courtesy of Josh Leisen lifelistfishing. Biology and Evolution of the Mexican Cavefish.

They are found from sea level to elevations of 3, feet. Globally, there are species in the genus Astyanax named after Astyanax, the son of Astyana of Troy in Greek mythology — not to be confused with Helenof which three are found in the freshwater systems of mainland Mexico.

Phylogenetic diversity index Ref. Summary page Point data Common names Photos. EigenmannAstyanax pirabitira C.

Tolerates brackish water at sea level to small mountain brooks at m elevation Ref. With around described species and new ones being described yearly, [2] this genus aenues among the largest of the entire order; Hyphessobrycon also has more qstyanax species and which one is larger at any one time depends on whether more species have been recently described in one or the other. This map was computer-generated and has not yet been reviewed. Human uses FAO Publication: LucindaAstyanax endy MirandeG.

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While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control. MyersAstyanax intermedius C.

Sampaio[11] Astyanax dnophos F.

Mexico – Fish, Marine Life, Birds and Terrestrial Life

Astyanax is a genus of freshwater fish in the family Characidae of the order Characiformes. To cite this page: Their colors vary from location to location with more brightly colored fish being found in murky environments. This genus is more or less defined as in by Carl H. Hepatosomatic index was negatively correlated with the Gonadosomatic index, evidencing transfer of energy from the liver towards gamete production.

STRI Data Portal – Astyanax aeneus

Class Actinopterygii ray-finned fishes. This strategy enabled A.

The lack of comprehensive phylogenetic analyses dealing with this genus is hindering a thorough review and the relationships remain as indeterminate as the monophyly is doubtful. Some of these fish, like many of their relatives, are kept as aquarium pets and known collectively as tetras.