Ambassis gymnocephalus (Lacepède, 1802)
Bald glassy
Ambassis gymnocephalus
photo by Hermosa, Jr., G.V.

 Family:  Ambassidae (Asiatic glassfishes)
 Max. size:  16 cm TL (male/unsexed)
 Environment:  demersal; pH range: 7.19999980926514 - 8.19999980926514, amphidromous
 Distribution:  Indo-West Pacific: Red Sea and South Africa to the Philippines, north to China (Ref. 33450) and Taiwan (Ref. 5193), south to northern Australia.
 Diagnosis:  Dorsal spines (total): 7-8; Dorsal soft rays (total): 8-10; Anal spines: 3-3; Anal soft rays: 8-10
 Biology:  Found in shallow waters; common in estuaries; may enter lower reaches of rivers. Can tolerate fresh water only within a narrow temperature (23-26°C). Feeds mainly at night on crustaceans, but also takes small fishes, fish eggs and larvae in estuaries (Ref. 7248). Marketed dried, salted and fresh (Ref.97399).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Binohlan, Crispina B. - 18.12.91
 Modified by: Myint, Kyithar - 13.10.14
 Checked by: Froese, Rainer - 23.03.94

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