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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
Ökologie
seewasser bathypelagisch; ozeanodrom (Ref. 51243); tiefenbereich 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 / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm SL Männchen/unbestimmt; (Ref. 3991)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 14 - 17; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 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
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
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 Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien:
Tools
Zusatzinformationen
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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).
Trophic level (Ref.
69278): 3.5 ±0.50 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).