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Stomiiformes (Lightfishes and dragonfishes) >
Phosichthyidae (Lightfishes)
Etymology: Ichthyococcus: Greek, ichthys = fish + Greek, kokkos = grain, berry (Ref. 45335).
Environment: milieu / climate zone / profondeur / distribution range
Écologie
marin bathypélagique; profondeur 0 - 2500 m (Ref. 74511), usually 200 - 500 m (Ref. 3988). Deep-water; 46°N - 20°S, 180°W - 180°E
Circumglobal except North Pacific. Southwest Pacific: Australia (Ref. 7300) and New Zealand (Ref. 5755). Southeast Pacific: Chile (Ref. 9068). Eastern Atlantic: scattered records along Azores and the Mediterranean, from Portugal south to Canary Islands, also Namibia. Western Atlantic: between 20°N-45°N, including the Gulf of Mexico (Ref. 27768). South China Sea (Ref.74511).
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 8.5 cm SL mâle / non sexé; (Ref. 126117); poids max. publié: 8.40 g (Ref. 126117)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 11 - 12; Épines anales: 0; Rayons mous anaux: 15 - 17. Brown-yellow in color, flanks silver; fin bases and edges of scale pockets black (Ref. 3988). Both dorsal and ventral adipose fins present (Ref. 3988). Short, deep body, small mouth with lower jaw, microscopic teeth and tubular eye (Ref. 37473).
Body shape (shape guide): fusiform / normal.
Does not exhibit diel vertical migrations (Ref. 4778). Spawning is probably year-round, peaking from late spring to early summer (Ref. 4778). Photophore complement complete at about 15-17 mm SL (Ref. 4778).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Badcock, J., 1984. Photichthyidae. p. 318-324. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. volume 1. UNESCO, Paris. (Ref. 4778)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Réf.
123201): 7.7 - 18.5, mean 12.8 °C (based on 597 cells).
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00470 - 0.01940), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Réf.
69278): 3.4 ±0.45 se; based on food items.
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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Nutrients (Ref.
124155): Calcium = 115 [36, 1,166] mg/100g; Iron = 2.1 [0.5, 7.6] mg/100g; Protein = 2.89 [0.00, 7.19] %; Omega3 = 0.304 [0.057, 1.655] g/100g; Selenium = 31.5 [5.8, 226.9] μg/100g; VitaminA = 10.1 [0.9, 97.8] μg/100g; Zinc = 1.99 [0.68, 5.79] mg/100g (wet weight);
