Family : Gerreidae (Mojarras)
Order : Perciformes  (perch-likes)
Class : Actinopterygii (ray-finned fishes)
Fishbase Name : Whipfin silverbiddy
Fish Name : Gerres filamentosus
Max size : 35.0 cm TL (male/unsexed; Ref. 4323)
Environment : demersal; amphidromous ; depth range 10 - 50 m
Climate : tropical; 26 - 29°C; 32°N - 12°S
Global Importance : fisheries: minor commercial
Resilience: High, minimum population doubling time less than 15 months (K=0.7)Distribution : Indo-Pacific: East Africa and Madagascar to Japan and Australia. Reported from New Caledonia (Ref. 26587) and Vanuatu (Ref. 13300). Enters rivers and lakes in Madagascar and the east coast of Africa.
Diagnosis : Dorsal spines (total): 9-9; Dorsal soft rays (total): 10-11; Anal spines: 2-3; Anal soft rays: 7-8. Color generally silvery. Second dorsal-fin spine very long. (Ref. 4967) Vertical series of spots along the side (Ref. 48635).
Biology : Marine species that may enter lakes (Ref. 4323) and lower freshwater reaches of rivers (Ref. 12915). Adults are coastal inhabitants found on soft bottoms (Ref. 44894). Juveniles are found in brackish mangrove estuaries, sometimes enter fresh water (Ref. 2847, 44894) and tidal creeks (Ref. 44894). Inhabit shallow water over sandy substrates along the coasts and in estuaries (Ref. 12693). Feed on small crustaceans, polychaetes and forams on sand or muddy-sand bottoms (Ref. 12915), worms and insect larvae (Ref. 12693). Salted or made into fish sauce
Threatened : Dangerous:  
Dangerous : harmless
Coordinator : Woodland, David J.
Main Ref : Woodland, D.J.. 1984. (Ref. 3409)

India country information
Common Names : Whiptail silver-biddy, ஊடகம், ஊடான், चारबीत, കൊടിയ് ന്പുരചി , കൊടിയന് പ്റാഞ്ഞില്, പ്രാന്ജീന്, പ്റാഞ്ഞില്, ಹೋಲೆಬೇಗಿ , జాగ్గరి , ௨டகாம் , કોટટી , ஊடன்  , Charbit, Holebaige, Jaggari, Jagili, Kodianpurachi, Kotto, Oodan, Pranjin, Sala, Udagam, Uniyamas, Whipfin mojorra
Status : native
Salinity : brackish, marine
Uses : no uses