Scientific Name	Gerres oblongus   Pronounce			by: Lab of Fish Ecol. and Evo., BRCAS
Author	Cuvier, 1830	Depth	5 - 30M
Chinese	長身鑽嘴魚	Poisonous Fish	No
Family_Chinese	鑽嘴魚科	Economic Fish	Yes
Family	F373　Gerreidae	Edible Fish	Yes	Chinese In Mainland China	長圓銀鱸
Max Length	30 cm	Aquarium Fish	No	Common Name	碗米仔
Distribution in World	India Ocean to West Pacific Ocean	Distribution in Taiwan	West、South、North、PonFu
Habitats	Coral、Benthos、Estuary、Coastal	Holotype Locality	Sri Lanka
Synonyms	Equla oblongus, Gerres gigas, Gerres macrosoma
Reference	臺灣魚類誌(沈等, 1993)  Cuvier, G. etc. 1830 Iwatsuki, Y. etc. 1993 沈世傑 編 Shih-Chieh Shen ed. 1993 Iwatsuki, Y. etc. 2001
Specimen List	ASIZP0062674. ASIZP0068641. ASIZP0074849. ASIZP0075786. ASIZP0075865. ASIZP0075888. ASIZP0076016. ASIZP0076017. ASIZP0076664. FRIP00461. FRIP00830. NMMBP01086. NMMBP01087. NMMBP04549. NMMBP04550. NMMBP05272. NTUM04340. NTUM04411. NTUM06246.
Common Name	Slender silverbiddy; Oblong pursemouth; Slender silver-biddy; Oblong mojarra; Elongate silver-biddy; Large-bodied silver-biddy
Redlist Status	Not in IUCN Redlist
Characteristic	Body compressed, elongate, slender, its depth 3.1 to 3.4 times in standard length; anterodorsal profile very slightly convex. Snout long, subequal to eye diameter. Fin spines slender; Second dorsal fin spine longest, 19-26% fo SL (mean 23%); second anal-fin spine short, about 2/3 length of base of anal fin, even shorter in smaller fish; pectoral fins short, tip of depressed fins reaching almost to or just past level of anus; caudal fin very deeply forked, but lobes not exceptionally long, longest caudal-fin ray about 1/3 standard length. Scales on lateral line 44 to 46 to base of caudal fin; 5.5 to 6 scales between lateral line and base of fifth dorsal-fin spineBody silvery, blue dorsally in life, but lilac brown in some market specimens; up to 5 columns of horizontally elongated spots on sides of trunk appearing as faint bars in some cases; dusky tip to dorsal fin, other fins pale.
habitats	Prefers coralline areas. Migrates to specific sandy areas near outer reef edge to spawn in late afternoons during full moon. Feeds on small benthic organisms living on sandy bottoms. In Palau, migrates to specific sandy spots near the outer reef edge to s
Distribution	Indo-Pacific: Red Sea and East Africa to Samoa, north to Ryukyu Islands, south to New Caledonia; east to Tonga. It is a common species in Taiwan except eastern part.
Utility	Marketed fresh.