Gerres macracanthus Bleeker, 1854
Longspine silverbiddy
Kapas-kapas,  Long-spine silverbelly
Gerres macracanthus
photo by The Fish Database of Taiwan

Family:  Gerreidae (Mojarras)
Max. size:  30 cm TL (male/unsexed)
Environment:  demersal; brackish; marine; depth range 1 - 22 m
Distribution:  Indo-West Pacific: Red Sea and East Africa to Indonesia and New Guinea.
Diagnosis:  Similar to G. filamentosus with the long filament on the dorsal fin but instead of spots, it has bars along the sides (Ref. 48635).
Biology:  Occurs in shallow inshore coastal waters on sandy bottoms and in estuaries. Maintain discrete, single species' schools (Ref. 13682).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (123251)
Threat to humans:  harmless
Country info:  Known from Java. Also recorded from Raja Ampat Islands and Manado and vicinity; with an Indonesian distribution from Papua to Sumatra (Ref. 47567). Museum: Batavia (= Jakarta), RMNH 6686 (lectotype of G. macracanthus, 9.5 cm SL); RMNH 32791 (paralectotypes, 3:7 - 8 cm SL) (Ref. 13682). Also Ref. 30392, 48635.

Entered by: Casal, Christine Marie V. - 08.08.96
Modified by: Santos, Kristine - 02.03.15

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 Not for publication.

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