Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Beloniformes
(Needle fishes) > Zenarchopteridae
(Internally fertilized halfbeaks)
Etymology: Nomorhamphus: Greek, nema = filament + Greek, rhamphos = bill, peak (Ref. 45335); aenigma: Name from Greek 'aenigma' for ‘riddle', referring to the riddle raised by this specie, 'why are the mandibles of most halfbeaks long?'..
Environment: milieu / climate zone / depth range / distribution range
Freshwater; pelagic. Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.1 cm SL male/unsexed; (Ref. 123153)
This species was collected from the river that belongs to the Malili River basin. The type locality is approximately 10 m in width and 1.5 m in depth, partially shaded by forest canopy, and has mud and gravel bottom. Associated species: Nomorhamphus rex, Oreochromis niloticus, Oryzias dopingdopingensis, Osteochilus vittatus, Redigobius penango, Telmatherina sp. (Ref. 123153).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kobayashi, H., K.W.A. Masengi and K. Yamahira, 2020. A new ‘‘Beakless’’ halfbeak of the genus Nomorhamphus from Sulawesi (Teleostei: Zenarchopteridae). Copeia 108(3):522-531. (Ref. 123153)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00200 - 0.01044), b=3.03 (2.82 - 3.24), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).