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Stomiiformes (Lightfishes and dragonfishes) >
Phosichthyidae (Lightfishes)
Etymology: Ichthyococcus: Greek, ichthys = fish + Greek, kokkos = grain, berry (Ref. 45335); irregularis: Named for the irregular pattern of th eventral photophores before the pectoral fin (Ref. 39669).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; profondeur 2213 - 3658 m (Ref. 39669). Deep-water; 45°N - 22°N, 140°W - 109°W
Eastern Pacific: throughout the California Current region, seaward of the continental shelf (Ref. 35839).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 7.6 cm SL mâle / non sexé; (Ref. 39669)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 11 - 13; Épines anales: 0; Rayons mous anaux: 13 - 15; Vertèbres: 38 - 39. Branchiostegal rays: 12 (Ref. 35839).
Oviparous, with planktonic eggs and larvae (Ref. 35839).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Watson, W., 1996. Phosichthyidae: lightfishes. p. 284-293. In H.G. Moser (ed.) The early stages of fishes in the California Current Region. California Cooperative Oceanic Fisheries Investigations (CalCOFI) Atlas No. 33. Allen Press, Inc., Lawrence, Kansas. 1505 p. (Ref. 35839)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries:
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 1.7 - 1.9, mean 1.8 °C (based on 38 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00400 - 0.02282), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
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).