Metynnis cuiaba Pavanelli, Ota & Petry, 2009

Family:  Serrasalmidae (Piranhas and pacus), subfamily: Serrasalminae
Max. size:  14.25 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Rio Paraguai basin, in Cuiabá and Manso river drainages, including lakes (baías) in the Pantanal, Mato Grosso, Brazil
Diagnosis:  Dorsal soft rays (total): 16-18; Anal soft rays: 35-39; Vertebrae: 38-38. Distinguished from other congeners by the combination of the following characters: gill rakers 22-24; scales on lateral line 100-110; scales rows above lateral line 48-56; predorsal scales 55-64; circumpeduncular scales 32-36; one or two bifurcate spines in the ventral keel; dark blotches, with ill-defined contour, sometimes forming transversal bars in the flanks (Ref. 81196). Description: Dorsal-fin rays i,15-17; anal-fin rays iii,32-36; pectoral-fin rays i,10-13; pelvic-fin rays i,6-7 (Ref. 81196).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 18 December 2020 Ref. (130435)
Threat to humans:  harmless


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