Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Ovalentaria/misc
() > Ambassidae
Etymology: Ambassis: Derived from Greek, anabasis = climbing up (Ref. 45335). More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; brackish; demersal. Tropical; 22°C - 38°C (Ref. 2847); 3°S - 16°S
Oceania: Two isolated populations, Northern Territory coastal streams from Victoria River to McArthur River and Cape York Peninsula, Queensland north of about 15°S. Also recorded from central southern New Guinea (Ref. 5259, 2847).
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 3 - 3.5 cm
Max length : 7.5 cm SL male/unsexed; (Ref. 44894); common length : 4.5 cm SL male/unsexed; (Ref. 5259)
Morphology | Morphometrics
Found in streams, ponds, and swamps (Ref. 5259). Inhabits rivers and creeks flowing through rainforest, sometimes in stagnant pools or slowly flowing rivulets. Also occurs along the margins of swamps and lakes. Usually forms large aggregations that shelter among aquatic vegetation. The breeding season coincides with the onset of monsoonal spring rains (Ref. 44894). Feeds on micro-crustaceans, insects, small arachnids, fish and algae (Ref. 2847).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00542 - 0.03207), b=2.97 (2.77 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.43 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (tm=1).
Vulnerability (Ref. 59153
): Low vulnerability (15 of 100) .