Ambassis miops Günther, 1872
Flag-tailed glass perchlet
Ambassis miops
photo by Pöllabauer, C.

Family:  Ambassidae (Asiatic glassfishes)
Max. size:  10.3 cm TL (male/unsexed)
Environment:  demersal; freshwater; brackish; marine; depth range 0 - 2 m, amphidromous
Distribution:  Indo-Pacific: Arabian Sea and India, to Indonesia, Malaysia, East Timor, Taiwan, southern Japan, northern Australia, New Guinea, New Caledonia, Fiji, Samoa and the Cook Is.
Diagnosis:  Dorsal spines (total): 8-8; Dorsal soft rays (total): 9-10; Anal spines: 3-3; Anal soft rays: 9-10. Resembles A. urotaenia, but differs in having large eye, and a gently-rounded snout. Eye diameter over 30% and interorbital width over 20% of head length. Cheek scales in 2 rows. Attains 8 cm TL.
Biology:  Inhabits clear, flowing creeks, usually within 20 kilometers of the sea (Ref. 44894). Commonly found in brackish waters and river mouths. Occurs near mangroves, stagnant and running freshwater (Ref. 7300) and coastal areas (Ref. 45255). This species has a marine larval stage, judging from its broad distribution. One of the best viewing areas is at the Freshwater creek picnic ground in Cairns, where individuals frequently aggregate along the vegetated stream margin (Ref. 44894).
IUCN Red List Status: Least Concern (LC); Date assessed: 12 February 2019 Ref. (130435)
Threat to humans:  harmless


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