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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Malacosteinae
Etymology: Photostomias: Greek, photos = light + greek, stoma = mouth (Ref. 45335).
Eponymy: Jules Germain Maloteau de Guerne (1855–1931) was a French zoologist and geographer. [...] (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathypélagique; profondeur 1138 - 3100 m (Ref. 5951). Deep-water; 40°N - 56°S
Western Atlantic: USA to the Gulf of Mexico (Ref. 4429); reported from the Antilles (Ref. 26340). Eastern Atlantic: southern Portugal to Mauritania. Northwest Atlantic: Canada (Ref. 5951). Indo-Pacific: in tropical and temperate areas (Ref. 559). Southeast Pacific: Chile (Ref. 9068).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 16.0 cm TL mâle / non sexé; (Ref. 26340)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 22 - 28; Rayons mous anaux: 25 - 32. This species is distinguished by having 2 pairs of basibranchial tooth patches; D 23-26, A 27-30, the sum of dorsal- and anal-fin rays 50-56; male postorbital organ length moderate, specimens greater than 6.0 cm, 45.5-144.5% fleshy orbit, 7.8-28.1% jaw length (JL); male anterior orbital organ length moderate, specimens greater than 6.0 cm, 4.5-21.7% fleshy orbit, 0.8-4.9% JL (Ref. 75669)..
Body shape (shape guide): elongated.
Mesopelagic species (Ref. 4469). Minimum depth from Ref. 58018.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Kenaley, C.P. and K.E. Hartel, 2005. A revision of Atlantic species of Photostomias (Teleostei: Stomiidae: Malacosteinae), with a description of a new species. Ichthyol. Res. 52(3):251-263. (Ref. 75669)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 2.2 - 4.3, mean 2.9 °C (based on 1537 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00407 (0.00160 - 0.01037), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.5 ±0.55 se; based on food items.
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Assuming tmax>3).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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