Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic; pH range: 7.5 - 8.5. Tropical; 22°C - 25°C (Ref. 31267); 1°S - 3°S, 120°W - 121°W (Ref. 26747)
Asia: Endemic to Lake Poso, Sulawesi, Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL male/unsexed; (Ref. 31267); common length : 11.0 cm SL male/unsexed; (Ref. 7050)
Dorsal soft rays (total): 14 - 16; Anal soft rays: 24 - 25. Differs from all other members of the family by its peculiar duck-bill, overhanging upper jaw, eyes protruding above dorsal profile of head and visible from below. Other diagnostic characters include 14-16 rays in dorsal fin and about 75 scales in lateral row (Ref. 26747).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Eggs are carried, protected in a body cavity by the pelvics, until hatching.
Kottelat, M., A.J. Whitten, S.N. Kartikasari and S. Wirjoatmodjo, 1993. Freshwater fishes of Western Indonesia and Sulawesi. Periplus Editions, Hong Kong. 221 p. (Ref. 7050)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).