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> Stomiiformes (Lightfishes and dragonfishes) > Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Sternoptyx: Greek, sternon = sternon, + Greek, ptyx = fold (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecología

marino batipelágico; oceanodromo (Ref. 51243); rango de profundidad 800 - 2000 m (Ref. 74511), usually 800 - 1200 m (Ref. 4054). Deep-water; 43°N - 40°S

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Widely distributed in the three major oceans. Eastern Atlantic: Portugal south to South Africa. Eastern Pacific: British Columbia, Canada (Ref. 11980). South China Sea and East China Sea (Ref.74511).

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.0 cm SL macho / no sexado; (Ref. 4462)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 9 - 12; Espinas anales: 0; Radios blandos anales: 13 - 15; Vértebra: 27 - 30. Triangular transparent membrane above anal fin (Ref. 13608).

Oceanic (Ref. 4739). Meso- and bathypelagic (Ref. 58302). Does not exhibits vertical migration (Ref. 4462). Feeds on copepods, ostracods, euphausiids, amphipods, decapods (Ref. 4739). Photophores develop in adults over 16-18 mm SL (Ref. 4739). Minimum depth from Ref. 004054.

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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 2024-1)

Least Concern (LC) ; Date assessed: 15 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesquerías: sin interés

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 3.6 - 8, mean 4.9 °C (based on 1084 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.02884 (0.01547 - 0.05376), b=2.92 (2.75 - 3.09), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Nivel trófico (Ref. 69278): 3.4 ±0.2 se; based on diet studies.

Resiliencia (Ref. 120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Assuming tmax>3).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Sternoptyx pseudobscura Baird, 1971