Classification / Noms
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Beloniformes (Needle fishes) >
Zenarchopteridae (Internally fertilized halfbeaks)
Etymology: Nomorhamphus: Greek, nema = filament + Greek, rhamphos = bill, peak (Ref. 45335); rossi: Named for Charles ‘Andy’ Ross, herpetologist, who collected all the specimens of this species.
Eponymy: Charles Andrew ‘Andy’ Ross (1953–2011) was a herpetologist and palaeontologist at the Department of Vertebrate Zoology, the Smithsonian, where he was a specialist on crocodilians. [...] (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce pélagique. Tropical
Asia: Philippines.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 4.7 cm SL mâle / non sexé; (Ref. 44897); 10.0 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 10 - 12; Rayons mous anaux: 14 - 17; Vertèbres: 39 - 41. This species is distinguished by the following characters: the second anal-fin ray in males in which segment five is greatly elongate, comprising one half of the ray; spiculus is thick, unsegmented distally; it is offset dorsally at about one fourth its length, with distal tip pointed ventrally (Ref. 44897).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Meisner, A.D., 2001. Phylogenetic systematics of the viviparous halfbeak genera Dermogenys and Nomorhamphus (Teleostei: Hemiramphidae: Zenarchopterinae). Zool. J. Linn. Soc. 133:199-283. (Ref. 44897)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00457 (0.00201 - 0.01039), b=3.03 (2.83 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |