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Gerres filamentosus in New Caledonia
Whipfin silverbiddy

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Gerres filamentosus   Cuvier, 1829
Family:	Gerreidae (Mojarras)			picture (Gefil_u5.jpg) by Randall, J.E.
Order:	Perciformes  (perch-likes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Whipfin silverbiddy
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:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:	Woodland, David J.
Main Ref:	Woodland, D.J.. 1984. (Ref. 3409)
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New Caledonia country information
Common names:	Yeegany		Ref:  Leblic, I. and M.-H. Teulières, 1987
Status:	native		Ref:  Séret, B., 1997
Salinity:	freshwater, brackish, marine
Importance:	commercial		Ref:  Wantiez, L., 1993
Uses:	no uses
Comments:	Occurs in the north (Ref. 9070) and southwest (Ref. 11889) lagoons. Also found in St. Vincent Bay (Ref. 50302). Also Ref. 13235, 13246, 50314.
National  Checklist:
Country Information:	www.cia.gov/cia/publications/factbook/geos/nc.html
Occurrences:	Occurrences    Point map
Main Ref:	Thollot, P., 1996
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	Note: No data are available if label is black .
Tools:	Biogeographic modelling | E-book | Field guide | Identification keys | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | National databases | PubMed | Recipes | Scirus | Tree of Life | Zoological Record
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	Checked:  Garilao, Cristina V.	Modified:  Ortañez, Auda Kareen	Entered:  Sa-a, Pascualita

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07