Scientific Name
Gerres oyena  
Pronounce  
 Gerres oyena奧奈鑽嘴魚
by: Lab of Fish Ecol. and Evo., BRCAS
Author (Forsskål, 1775) Depth 1 - 30M
Chinese 奧奈鑽嘴魚 Poisonous Fish No 
Family_Chinese 鑽嘴魚科 Economic Fish Yes 
Family F373　Gerreidae Edible Fish Yes  Chinese In Mainland China 奧奈銀鱸 
Max Length 30 cm  Aquarium Fish No  Common Name 碗米仔、垵米(澎湖)、長身垵米(澎湖) 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan East、West、South、North、North East、PonFu、ShaoLiuChew、Greeb IS.、Tung Sa IS. 
Habitats Coral、Benthos、Estuary、Fresh Water、
Coastal、Lagoon 		 Holotype Locality Suez andr Jidda, Saudi Arabia, Red Sea 
Synonyms Cichla argyrea, Diapterus kapas, Diapterus oyena, Gerreomorpha rostrata, Gerres argyreus, Gerres australis, Gerres carinatus, Gerres kapas, Gerres oblongus, Gerres oynea, Gerres socotranus, Gerres splendens, Gerres vaigiensis ...all 19..  
Reference 臺灣魚類誌(沈等, 1993)  Forsskål, P. 1775 沈世傑 編 Shih-Chieh Shen ed. 1993 Miyanohara, M. etc. 1999 
Specimen List ASIZP0054957. ASIZP0055399. ASIZP0056904. ASIZP0058239. ASIZP0058240. ASIZP0058241. ASIZP0059500. ASIZP0067490. ASIZP0067506. ASIZP0067513. ASIZP0067531. ASIZP0068833. ASIZP0071000. ASIZP0071147. ASIZP0074526. ASIZP0079274. ASIZP0079445. ASIZP0079525. ASIZP0700392. ASIZP0801973. ASIZP0802345. ASIZP0802346. ASIZP0802347. ASIZP0802348. ASIZP0802416. ASIZP0911973. ASIZP0912345. ASIZP0912346. ASIZP0912347. ASIZP0912348. ASIZP0912416. FRIP00464. FRIP00465. FRIP21874. FRIP21905. NMMBP00086. NMMBP01287. ...List all 42 records... 
Barcode2012-01-15,柯慧玲,CO1,100% 2012-01-02,柯慧玲,CO1,100% 2012-01-15,柯慧玲,CO1,100% 2012-01-15,柯慧玲,CO1,100% 2012-01-15,柯慧玲,CO1,100% 2012-01-15,柯慧玲,CO1,100% 2015-11-01,Yu-Ming Shih,CO1,100%
Common Name Oyena mojarra; Oceanic silver biddy; Slenderspine pursemouth; Common silver-biddy; Black-tipped silver-biddy; Common silvery-biddy; Common silverbiddy; Blacktip mojarra 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body compressed, oblong, slender, its depth 3 to 3.3 times in standard length; anterodorsal profile gently convex. Dorsal fin distinctly notched, last spine 2/3 length of first soft ray; second dorsal-fin spine neither elongate nor exceptionally short, contained about 0.6 to 0.7 times in length of head (excluding jaws); second and third anal-fin spines slender and short; caudal fin very deeply forked, but lobes relatively short, length of longest ray subequal with head length; pectoral fins short, tip of depressed fins only reaching level between bases of first and second dorsal-fin ray. Scales on lateral line 35 to 39 to base of caudal fin; 3.25 to 3.5 scales between lateral line and base of fifth dorsal-fin spine. Body silvery with 6-8 irregular, faint dusky oblique and vertical bands dorsolaterally and ventrolaterally. Spinous dorsal fin with an indistinct dusky patch (2nd-6th spines) and very narrow dusky distal margins on upper membranes between spines; pelvic fin when fresh is semi-transparent or dull yellow color with an indistinct dusky band and dull white distal margin posteriorly.
habitats Found along the coast, saltwater lagoons, and estuaries. Occurs singly or in groups. Feeds on small organisms living on sandy bottoms. 
Distribution Distributed in the Indo-Pacific from Red Sea, Persian Gulf and East Africa, possibly including Seychelles, to the southeastern coasts of India and around Sri Lanka; elsewhere, extending to the western Pacific. It is a common species in Taiwan except easte 
Utility Sold fresh in markets. Utilized as fish meal and duck food.