Actinopterygii (ray-finned fishes) > Beloniformes
(Needle fishes) > Zenarchopteridae
Etymology: Dermogenys: Greek, derma = skin + Greek, geny, -yos = face, jaw (Ref. 45335).
Environment / Climate / Range
Marine; freshwater; brackish; pelagic-neritic; pH range: 7.0 - 8.0; dH range: 9 - 19. Tropical; 24°C - 28°C (Ref. 30491)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm SL male/unsexed; (Ref. 30857)
Asia: Thailand to Indonesia. Also includes India, Myanmar, and Bangladesh (Ref. 43081).
Found in rivers, rivulets, canals, drains, ponds and lakes (Ref. 4833). Rarely found in the sea (Ref. 45255). Inhabits medium to large rivers, flooded fields and mainly stagnant waters including sluggish flowing canals of the lower Mekong (Ref. 12975). Most common in areas with floating plants or rooted aquatics that reach the surface (Ref. 12693). Larvae and early juveniles are sometimes found in the upper reaches of mangroves during the wet season (Ref. 43081). A live-bearer species. Feed on worms, crustaceans and insects (Ref. 7020). Rarely taken in commercial catches, although it may be found in subsistence catches. Not seen in markets (Ref. 12693).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gives birth to 10-30 young.
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. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: minor commercial; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.45 se; Based on food items.
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .