Actinopteri (ray-finned fishes) > Beloniformes
(Needle fishes) > Zenarchopteridae
(Internally fertilized halfbeaks)
Etymology: Zenarchopterus: Particle zen, derived from zao = to give life + Greek, archos = anus + Greek, pteron = fin. More on author: Weber.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; pelagic; pH range: 6.0 - 8.0; depth range 0 - ? m. Tropical; 24°C - 28°C (Ref. 13614); 1°S - 6°S
Asia and Oceania: Ramu and Sepik rivers in Papua New Guinea and Mamberamo River in Irian Jaya, Indonesia.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 12 - 15 cm
Max length : 20.7 cm SL male/unsexed; (Ref. 9158); 17.5 cm SL (female); common length : 17.0 cm SL male/unsexed; (Ref. 9158); common length :16 cm SL (female); max. published weight: 20.00 g (Ref. 9158); max. published weight: 20.00 g
Morphology | Morphometrics
Occurs in lakes and backwaters to river channels, and lower sections of tributary streams. Caught using harpoons, hand nets, and scoop nets.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Coates, D. and P.A.M. van Zwieten, 1992. Biology of the freshwater halfbeak Zenarchopterus kampeni (Teleostei: Hemiramphidae) from the Sepik and Ramu River basin, northern Papua New Guinea. Ichthyol. Explor. Freshwat. 3(1):25-36. (Ref. 9158)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Fisheries: subsistence fisheries
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass 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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.40 se; based on food items.
Vulnerability (Ref. 59153
): Low vulnerability (15 of 100) .