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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Photonectes: Greek, photos = light + Greek, nekton = swimmer (Ref. 45335); venetaenia: Name from Latin words 'venetus' for blue and 'taenia' meaning ribbon; referring to the presence of stripes of blue luminous tissue on the body.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathypélagique. Deep-water
Western Pacific Ocean: Papua New Guinea.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 8.9 cm SL mâle / non sexé; (Ref. 125185)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 17; Rayons mous anaux: 20. This species of nominative subgenus (sensu Prokofiev, 2015) is distinguished by the following characters: a pair of parallel, clearly delineated stripes of blue luminous tissue on isthmus before IP photophores, further posteriorly fuzzy, at level of first and second photophores passing to outside of IP photophores; presence of additional diffuse stripe above most anterior PV photophores; with mental barbel of characteristic structure; strongly shortened gill filaments in upper half of ceratobranchial-1; patches of black tissue on snout, in upper part of opercle, and behind end of maxillary (Ref. 125185).
Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Prokofiev, A.M., 2016. New species of the genus Photonectes (Melanostomiidae) with blue luminous tissue on the body. J. Ichthyol. 56(4):613-615. (Ref. 125185)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00115 - 0.00790), b=3.11 (2.88 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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