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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 / depth range / distribution range
Ekologi
marina batypelagisk; djupintervall 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).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.5 cm SL hane/ej könsbestämd; (Ref. 126117); publicerad maxvikt: 8.40 g (Ref. 126117)
Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 11-12; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 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).
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
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Ytterligare information
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
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Estimates based on models
Preferred temperature (Ref.
123201): 7.7 - 18.5, mean 12.8 °C (based on 597 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 (0.00474 - 0.01922), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.45 se; based on food items.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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);