Moenkhausia guaruba
Moenkhausia guaruba Lima, Vita, Dutra, Ohara & Pastana, 2023

Family:  Acestrorhamphidae (American tetras), subfamily: Stichonodontinae
Max. size:  9.69 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Brazil.
Diagnosis:  Dorsal soft rays (total): 8-10; Anal soft rays: 21-25. This species is distinguished from its congeners by the following set of characters: number of scales in the longitudinal series 43-46; branched anal-fin rays 21-25, modal 23; complete and regularly arranged series of predorsal scales; single, vertically elongated and relatively wide humeral blotch; conspicuous, rounded, and symmetrical dark blotch located at the posterior limit of the caudal peduncle and base of caudal fin rays; and a thin longitudinal line formed by dark pigmentation running along horizontal septum of body (Ref. 138177).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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