Scientific Name
Pentaprion longimanus  
Pentaprion longimanus長臂鑽嘴魚
by: ©Sainsbury, Keith: CSIRO
Author (Cantor, 1849) Depth 20 - 70M
Chinese 長臂鑽嘴魚 Poisonous Fish No 
Family_Chinese 鑽嘴魚科 Economic Fish No 
Family F373 Gerreidae Edible Fish Yes  Chinese In Mainland China 五棘銀鱸 
Max Length 15 cm  Aquarium Fish No  Common Name 碗米仔 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan West、PonFu 
Habitats Benthos、Coastal  Holotype Locality Malayan Peninsula 
Synonyms Equula longimana, Equula longimanus, Pentaprion longimana   
Reference 臺灣魚類誌(沈等, 1993)  沈世傑 編 Shih-Chieh Shen ed. 1993 
Specimen List NTUM00912. NTUM06280.  
Common Name Mojarras; Long-finned silver-biddy; Longfin mojarra; Longfin silver-biddy; Long-finned silver biddy; Longfin silver biddy 
Redlist Status NL Not in IUCN Redlist     
Characteristic Body compressed, ovoid, moderately deep, its depth 2.5 to 2.8 times in standard length. Dorsal fin with IX or X spines and 12 to 15 soft rays; anal fin with V or VI spines and 12 to 14 soft rays, its base longer than base of soft portion of dorsal fin; caudal fin deeply forked with pointed lobes, longer than head; pectoral fins long, tip of depressed fins reaching a level half-way along base of anal fin. Scales on lateral line 44 to 48 to base of caudal fin; all scales shed easily. Body silvery, with a mirror-like stripe from snout to caudal peduncle; fins dusky yellow; market specimens pale pink or grey when scales lost.
habitats Inhabits inshore areas, on muddy-sand bottoms, to depths of 70 m. Feeds on small benthic invertebrates. Forms very large schools. 
Distribution Distributed in the Indo-West Pacific from western and southern coasts of India and off Sri Lanka to Indonesia, the Philippines and Ryukyu Islands, and south to the northern part of Australia. It is found in western Taiwanese waters, and Penghu Islands. 
Utility Marketed fresh, but shabby look makes them unattractive as food fish; used in large quantities for fishmeal and as a duck food in parts of Southeast Asia.