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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Photonectes: Greek, photos = light + Greek, nekton = swimmer (Ref. 45335); filipendulus: Name from Latin words 'filis' for thread and 'pendulus' for hanging; referring to one of its distinguishing features - its weak ray in pectoral fin (vs. the rigid ray in P. margarita).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal. Tropical
Eastern Pacific Ocean: Hawaii.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 23.5 cm SL mâle / non sexé; (Ref. 125186)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 16 - 19; Rayons mous anaux: 18 - 22; Vertèbres: 59 - 62. This species is distinguished by the following characters: one very small and weak ray in P (sometimes missing?); uniserial praemaxillare dentition; vertebrae 59-62; postorbital organ constituting 2.9-3.6% (males) or 2.6% (females) SL; short or moderately long chin barbel, 3.0-9.2% SL for 13.8-23.5 cm SL; a small terminal bulb not protruding beyond stem, 2 or 4 equally small pigmented filaments on its tip (Ref. 125186).
Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Prokofiev, A.M., 2019. Materials for revision of the genus Photonectes (Melanostomiidae). J. Ichthyol. 59(4):449-476. (Ref. 125186)
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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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=0.00309 (0.00118 - 0.00808), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
4.1 ±0.7 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |