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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Hymenocephalus: Named for its transparent membrane-like head covering (‘‘hymen head’’) and fragile nature of head bones (Ref. 100825); sazonovi: Named for Yuri I. Sazonov (Moscow, Russia).
Eponymy: Dr Yuriya (also spelled Yurii) Igorevich Sazonov (1950–2002) was a Russian ichthyologist, marine biologist and botanist at the Marine Biological Laboratory, Department of Ichthyology, Zoological Museum, who graduated from Moscow State University [...] (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino bentopelágico; rango de profundidad 340 - 1100 m (Ref. 98298). Deep-water
Eastern Pacific: probably endemic to the Nazca and Sala y Gomez ridges.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 13.1 cm TL macho / no sexado; (Ref. 98298)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 2; Radios blandos dorsales (total) : 9 - 10. This species is distinguished by the following characters: body much less slender than typical for the genus, with very thin head bones; pelvic fin rays 12-13; pectoral fin rays 15-16; gill rakers 18-20; no barbel; orbit 21% HL; blunt snout with high frontal ridge, barely protruding, short, 23% HL; ventral striae extending about ? distance from pelvic fin bases to periproct region; infraorbital canal is wider than other canal systems; very small preopercular supporter; otolith compressed (otolith length to height (OL:OH) is 0.8; colliculi separated and small; small pseudocolliculum, total colliculum length to pseudocolliculum length (TCL:PCL) is 1.8 (Ref. 98298).
Cross section: oval.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Schwarzhans, W., 2014. Head and otolith morphology of the genera Hymenocephalus, Hymenogadus and Spicomacrurus (Macrouridae), with the description of three new species. Zootaxa 3888(1):1-73. (Ref. 98298)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00111 - 0.00432), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.3 ±0.4 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 (Preliminary K or Fecundity.).
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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