Actinopterygii (ray-finned fishes) >
Perciformes (Perch-likes) >
Ambassidae (Asiatic glassfishes)
Etymology: Ambassis: Derived from Greek, anabasis = climbing up (Ref. 45335). More on author: Bleeker.
Environment / Climate / Range
Ecology
Marine; freshwater; brackish; demersal; amphidromous (Ref. 59012). Tropical, preferred ?; 19°N - 23°S
Asia: Indo-Australian Archipelago, including Indonesia, the Philippines, Borneo, Java, New Guinea, Vanuatu, New Caledonia, to northern Australia and the Andaman Sea. Reported from Palau (Ref. 6371) and the Ryukyu Islands (Ref. 559).
Length at first maturity / Size / Weight / Age
Maturity: Lm 7.0  range ? - ? cm
Max length : 12.0 cm SL male/unsexed; (Ref. 7050); common length : 5.0 cm SL male/unsexed; (Ref. 7242); max. published weight: 12.00 g (Ref. 7242)
Dorsal
spines
(total): 8;
Dorsal
soft rays
(total): 9-10;
Anal
spines: 3;
Anal
soft rays: 9 - 10. Body very high, 50% of SL. Lateral line incomplete, but a few pored scales on a silvery midlateral band. Lower margin of inter operculum with few spines. The second spine of the first dorsal fin is strong and very long. Attains 8 cm TL.
Found in brackish-water, mangrove, estuarine and freshwater-stream habitats, usually within 20 km of the sea (Ref. 2847). They occur at temperatures ranging from 28 to 32°C. Found in schools and migrate to freshwater. Mainly diurnal. A predominantly marine or estuarine spawner. Caught by hand and scoop nets (Ref. 7242).
A nonobligatory plant spawner.
Allen, G.R., 1991. Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00664 - 0.02501), b=2.95 (2.78 - 3.12), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic Level (Ref.
69278): 2.7 ±0.1 se; Based on diet studies.
Resilience (Ref.
69278): High, minimum population doubling time less than 15 months (Fec=29,000-310,000).
Vulnerability (Ref.
59153): Low vulnerability (16 of 100) .