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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 300 - 750 m (Ref. 3988), usually 550 - 750 m (Ref. 3988). Deep-water; 20°N - 16°S
Atlantic Ocean: St. Helena Island and western equatorial Atlantic.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.1 cm SL hane/ej könsbestämd; (Ref. 4470)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 11 - 14; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 13 - 17. Brown-yellow in color, flanks silver; fin bases and edges of scale pockets black; dorsal and ventral adipose fins present (Ref. 3988).
Mesopelagic species, adults mainly found at depths between 500-750 m (Ref. 3988).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Quéro, J.-C., J.C. Njock and M.M. de la Hoz, 1990. Photichthyidae. p. 343-348. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4470)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 12.4 - 15.1, mean 14.3 °C (based on 2075 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00405 - 0.02356), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).