Threadfin Silverbiddy, Gerres filamentosus Cuvier 1829

Other Names: Flagfin Mojarra, Threadfin Silver Belly, Threadfin Silver Biddy, Thread-fin Silver-belly, Whipfin Silverbelly, Whipfin Silverbiddy, Whipfin Silver-biddy

Summary:

A silvery brown silverbiddy grading to brilliant silver below, with vertical rows of indistinct dark oval-shaped spots on sides of adults and subadults; fins tinged with orange-brown, caudal fin margin blackish.

Cite this page as:

Dianne J. Bray, Gerres filamentosus in Fishes of Australia, accessed 09 Oct 2024, https://fishesofaustralia.net.au/Home/species/2432

Threadfin Silverbiddy, Gerres filamentosus Cuvier 1829

More Info

Distribution	Widespread in the tropical Indo-Pacific, from eastern coast of Africa to Micronesia. Inhabits sandy or muddy bottoms in coastal areas. Juveniles often occur in fresh water
Features	Meristic features: Dorsal fin IX,10; Anal fin III,7; Pectoral fin 15-16; Lateral line 43-46; Gill rakers 4-6 + 8. Body deep, compressed, head profile somewhat convex. Second dorsal-fin spine very long and filamentous, reaching just beyond base of last dorsal-fin ray; anal-fin spines generally robust, third longest; caudal fin deeply forked with pointed lobes. Preopercle with 3 scale rows; 4.5-5.5 scales between 5th dorsal fin spine base and lateral line.
Colour	Body silvery brown above, brilliant silver below, with vertical rows of indistinct dark ovoid spots on sides of adults and subadults; all fins tinged with tan, caudal fin margin blackish.
Fisheries	Marketed fresh or dried.
Author	Dianne J. Bray