Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlinae
Etymology: Australoheros: From the Latin word 'australis' meaning southern, and the name Heros, after the nominotypic genus of the Heroini tribe.
Tribe; forquilha: Named for its type locality, Rio Forquilha, Rio Grande do Sul, Brazil.
More on authors: Říčan & Kullander.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Upper Río Uruguay, Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm SL male/unsexed; (Ref. 74689)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 15 - 16; Dorsal soft rays (total): 9 - 11; Anal spines: 5 - 7; Anal soft rays: 7 - 9; Vertebrae: 26 - 28. This species is distinguished by the following characters: dark markings below the orbit along the postero-lateral border of the suborbital series; checkerboard-spotted dorsal, anal and caudal fins; more than 14 caudal vertebrae (in some specimens) 25-26 E0 scales (vs. 24-25); downward pointing subterminal mouth; shortest interorbital and longest preorbital distances; a unique scale cover of the base of dorsal fin with two cover scales corresponding to one transverse scale row (Ref. 74689).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Říčan, O. and S.O. Kullander, 2008. The Australoheros (Teleostei: Cichlidae) species of Uruguay and Paraná River drainages. Zootaxa 1724:1-51. (Ref. 74689)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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