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Alepocephaliformes (Slickheads and tubeshoulders) >
Platytroctidae (Tubeshoulders)
Etymology: Normichthys: Because of John Roxburgh Norman, British ichthyiologist 1898-1944 (Ref. 45335).
Eponymy: John Roxborough Norman (1898–1944) was an English ichthyologist who started his working life as a bank clerk. [...] The Yahgan, also called Yaghan or Yagán, are an indigenous people of Tierra del Fuego who, according to the author, “…practiced shellfish conservation and avoided exhausting their food supply.” (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino batipelágico; rango de profundidad 0 - 2000 m. Deep-water; 30°S - 60°S
Circumglobal in the Sub-tropical Convergence region of the Southern Hemisphere, mostly between 30°S and 50°S; one record from 59°S, 60°W.
Tamaño / Peso / Edad
Madurez: Lm ? range ? - ? cm
Max length : 16.4 cm SL macho / no sexado; (Ref. 5161)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 17 - 20; Espinas anales: 0; Radios blandos anales: 16 - 19.
Body shape (shape guide): fusiform / normal.
Associated with the Antarctic Intermediate Water. Biology unknown (Ref. 5161). Minimum depth from Ref. 58018.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Heemstra, P.C., 1990. Platytroctidae. p. 115. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5161)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Temperatura preferida (Referencia
123201): 5 - 11.6, mean 7.6 °C (based on 310 cells).
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Assuming tmax>3).
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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