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Stomiiformes (Lightfishes and dragonfishes) >
Phosichthyidae (Lightfishes)
Eponymy: William Yarrell (1784–1856) was an English naturalist and bookseller. [...] E G Blackford was a fishmonger in New York. He became president of the board of fish commissioners of the State of New York and was honoured for “…services in the promotion of ichthyological studies.” (Ref. 128868), visit book page.
More on authors: Goode & Bean.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; havsvandrande (Ref. 51243); djupintervall 350 - 1000 m (Ref. 4470). Deep-water; 21°N - 19°S
Eastern Atlantic: Cape Blanc, Mauritania to Angola; extending to Walvis Bay, Namibia (Ref. 11228). Western Central Atlantic: Gulf of Mexico (Ref. 27768) and Cuba (Ref. 26340).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm SL hane/ej könsbestämd; (Ref. 3991)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 14 - 17; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 28 - 31. Black in color with dusky pigmentation on median fins; pectoral and pelvic fins are colorless (Ref. 3988).
Mesopelagic, adults found in 500-700 m depth (Ref. 4470). Living on or near the bottom, probably moves in schools (Ref. 37473).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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: Version 2024-1)
Threat to humans
Harmless
Human uses
Fiskeri:
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 6.3 - 9.3, mean 7.6 °C (based on 44 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00131 - 0.00766), b=3.17 (2.95 - 3.39), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.5 ±0.50 se; based on food items.
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).