Plagioscion casattii Aguilera & Rodrigues de Aguilera, 2001

Family:  Sciaenidae (Drums or croakers)
Max. size:  33 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Orinoco River, Venezuela.
Diagnosis:  Dorsal spines (total): 11-11; Dorsal soft rays (total): 31-36; Anal spines: 2-2; Anal soft rays: 6-7. Body nearly uniform silvery, lighter ventrally; darker dorsally; no conspicuous spots but with diffuse dark areas along base of dorsal fin, on margin of spinous and soft dorsal fin, and hind margin of caudal fin; base of pectoral fins with a brown spot. Eye elliptical, 5.3-6.2 in HL; second anal spine length 4-6.3 (mean 5.2) in HL. Anus-anal distance 2.8-5.1 (mean 4.2) in HL. Tips of pelvic-fin rays not extending to anus. Anterior portion of dorsal fin with 10 spines, posterior with 1 and usually 33-34 soft rays. Sagitta elongate and oblong; ostium apple-shape; tip of caudal not extending to below hind margin of the ostium, postero-ventral angle rounded. Caudal fin rhomboid (Ref. 44362).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 30 July 2019 Ref. (130435)
Threat to humans:  harmless


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