Polymixia carmenae Caixeta, Oliveira & Melo, 2024
Brazilian beardfish

Family:  Polymixiidae (Beardfishes)
Max. size:  20.86 cm SL (male/unsexed)
Environment:  benthopelagic; marine; depth range 160 - 600 m
Distribution:  Southwestern Atlantic: Brazil and Uruguay.
Diagnosis:  Dorsal spines (total): 5-6; Dorsal soft rays (total): 26-28; Anal spines: 4-4; Anal soft rays: 13-15; Vertebrae: 28-28. This species is distinguished by having the following characters: gill rakers on first gill arch 19-24; with main shaft of the first anal-fin proximal radial strongly arched; anterior process of the first anal-fin proximal radial elongated, about half length of the main shaft; pyloric caeca completely absent or numbering 46-71; spinoid scales with spines arranged in vertical rows; D 26-28 (rarely 22); postero-ventral edge of preopercle rounded; mature specimens with pigmentation of anal, dorsal and caudal fins inconspicuous, lacking a markedly darker margin (Ref. 130894).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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