Psalidodon dissimilis (Garavello & Sampaio, 2010) |
Family: | Acestrorhamphidae (American tetras), subfamily: Acestrorhamphinae | |||
Max. size: | 13.58 cm SL (male/unsexed) | |||
Environment: | benthopelagic; freshwater | |||
Distribution: | South America: widespread in Iguaçu basin, Brazil. | |||
Diagnosis: | Dorsal soft rays (total): 8-9; Anal soft rays: 16-21. This species is distinguished from all its congeners from the Iguaçu basin by the following set of characters: infraorbital 3 not in contact with pre-opercle, leaving a naked area corresponding to approximately 1/5-1/4 the height of infraorbital 3; premaxillary external series with 2-5, usually 4 tricuspid teeth; non-symphysal teeth in premaxillary internal series with 5 cusps forming an arch in ventral view; maxillary with 0-3, usually 1 tooth; faint, narrow and elongate vertical humeral bar present (Ref. 85756). | |||
Biology: | ||||
IUCN Red List Status: | Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435) | |||
Threat to humans: | harmless |