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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 / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) βαθυπελαγικό(ς); εύρος βάθους 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).
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 8.5 cm SL αρσενικό/απροσδιόριστο; (Ref. 126117); μεγ. δημοσιευμένο βάρος: 8.40 g (Ref. 126117)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 11 - 12; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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: Version 2025-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 7.7 - 18.5, mean 12.8 °C (based on 597 cells).
Phylogenetic diversity index (Αναφ.
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).
Τροφικό Επίπεδο (Αναφ.
69278): 3.4 ±0.45 se; based on food items.
Ελαστικότητα (Αναφ.
120179): Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (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);
