Amazonichthys camelierae Esguícero & Mendonça, 2023

Family:  Characidae (Characins; tetras), subfamily: Characinae
Max. size:  3.12 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Brazil.
Diagnosis:  Dorsal soft rays (total): 8-9; Anal soft rays: 25-30; Vertebrae: 38-39. This species is distinguished from its congeners by the following characters: with anterior midlateral stripe reaching the caudal peduncle blotch (vs. stripe reaching the dorsal-fin region); proximal half of second unbranched dorsal-fin ray is densely pigmented (vs. hyaline or barely pigmented); caudal peduncle blotch round (vs. triangular); complete lateral line (vs. incomplete); higher number of longitudinal scales, 37-38 (vs. 31-33 in lindeae, 33-36 in lu); ventral margin of third infraorbital bone surpassing anterodorsal margin of preopercle (vs. usually reaching that point); precaudal vertebrae 13 (vs. 12); differs further from lu, by the dense concentration of dark brown chromatophores over the first unbranched dorsal and all unbranched anal-fin rays (vs. unbranched fin rays of both poorly pigmented); with two symmetrical conspicuous small dark blotches at the base of the caudal-fin rays (vs. usually absent, but when present, very diffuse); circumpeduncular scales 12 (vs. 10-11), and pectoral-fin rays i9-11 (vs. i8) (Ref. 130247).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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