Cynoscion similis

Common Name

Tonkin Weakfish

Year Described

Randall & Cervigón, 1968


Dorsal Fin: X; 1, 24-28
Anal Fin: II, 8-10
Pectoral Fin:
Gill Rakers: 9-12 (first arch)


Body silvery-gray, grading to pale silvery on the belly. Lines of black spots follow scale rows. Fins blackish. Spiny dorsal fin with black margin. Inside of opercular flap black.


Maximum size to 60cm TL.


Coastal waters (1-60m) over soft bottoms.


Columbia to N. Brazil (continental coasts only).


Chao, N.L. 2002. Sciaenidae (pp. 1583-1653). In: Carpenter. 2002. The living marine resources of the Western Central Atlantic. Vol. 3: Bony fishes part 2 (Opistognathidae to Molidae). FAO Species Identification Guides for Fisheries Purposes. American Society of Ichthyologists and Herpetologists Special Publication No. 5. FAO of the U.N., Rome.