Isopisthus parvipinnis (Cuvier, 1830)
Bigtooth corvina
photo by Carvalho Filho, A.

Family:  Sciaenidae (Drums or croakers)
Max. size:  25 cm TL (male/unsexed); max.weight: 240.0 g
Environment:  demersal; depth range 1 - 45 m
Distribution:  Western Atlantic: Costa Rica to southern Brazil.
Diagnosis:  Dorsal spines (total): 8-9; Dorsal soft rays (total): 19-20; Anal spines: 2-2; Anal soft rays: 18-19. Silver grey, darker above. A diffuse black spot at pectoral-fin bases, fins pale to yellowish. Mouth large, strongly oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Chin without barbel or pores, lower margin of snout with 2 marginal pores. Two widely separated dorsal fins. Gas bladder with a pair of horn-like anterior appendages. Sagitta (large earstone) moderately thick and oval (Ref 51721).
Biology:  Found in shallow coastal waters over sandy mud or soft mud bottoms (Ref. 3702). Feeds mainly on small shrimps (Ref. 3702). Important food fish.
IUCN Red List Status: Least Concern (LC); Date assessed: 01 December 2009 Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Luna, Susan M. - 17.10.90
Modified by: Garilao, Cristina V. - 03.10.18
Checked by: Agustin, Liza Q. - 06.08.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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