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Stomiiformes (Lightfishes and dragonfishes) >
Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Argyropelecus: Greek, argyros = silvered, silver + Greek, pelekys = axe (Ref. 45335).
Eponymy: Gigas was a giant in Greek mythology, the child of Uranus and Gaea. The name is applied to taxa that are giants of their kind. (Ref. 128868), visit book page.
More on author: Norman.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino batipelagico; distribuzione batimetrica 300 - 1000 m (Ref. 58018), usually 400 - 600 m (Ref. 4054). Deep-water; 72°N - 54°S, 180°W - 180°E
Eastern Atlantic: Portugal to South Africa; northern record from south Iceland (Ref. 4739). Western Atlantic: 40°N-40°S, including the Gulf of Mexico (Ref. 27768). One record from the Patagonian region of Argentina (Ref. 27363). Indian Ocean: 0°- 40°S. Eastern Pacific: 15°S-40°S. Western Pacific: 20°N-40°S.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 12.0 cm SL maschio/sesso non determinato; (Ref. 4462)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 9 - 10; Spine anali: 0; Raggi anali molli: 12 - 13. Dorsal blade present and well developed in front of dorsal fin (Ref. 27363). Deep body (Ref. 37473).
An oceanic and mesopelagic species (Ref. 4739). No indication of diel migration (Ref. 4739). Adult complement of photophores acquired at about 1.4 cm SL (Ref. 4739).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Quéro, J.-C., J.C. Njock and M.M. de la Hoz, 1990. Sternoptychidae. p. 275-282. 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. 4462)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Ref.
123201): 5.9 - 11.5, mean 8.6 °C (based on 573 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01950 (0.01065 - 0.03570), b=3.02 (2.86 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.2 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
