Hyphessobrycon auca

The Hyphessobrycon auca lives in the benthopelagic, freshwater environment.

Hyphessobrycon auca, colour in live Hyphessobrycon auca, Holotype photos: Jorge R. More

Hyphessobrycon auca differs from the remaining species of the genus by the presence of one maxillary tooth with 5 cusps; dentary low with teeth decreasing in size anteroposteriorly; males with hooks in all fins; mature females with hooks on pelvic-fin rays; one humeral spot vertically elongated, More

pynandi and Hyphessobrycon auca) are found in the lagoons and natural canals, and plants of the species Oxypetalum fonteale, Bernardia asplundii, Jastropa pedersenii, Portulaca meyeri, Picrosia cabreriana and Elatine lorentziana grown only on Iberá soils. More

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