Holocéfalos (quimeras) (chimaeras) >
Chimaeriformes (Chimaeras) >
Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: hydro-, combining form of hydor (Gr.), water; lagos (Gr.), hare, i.e., “water rabbit,” probably referring to three pairs of tooth plates, which tend to protrude from the mouth like a rabbit’s incisors (See ETYFish); novaezealandiae: novus (L.), new, i.e., of New Zealand, in whose waters it occurs (See ETYFish).
More on author: Fowler.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino batidemersal; rango de profundidad 25 - 950 m (Ref. 26346), usually 100 - 600 m (Ref. 89422). Deep-water; 34°S - 47°S
Southwest Pacific: endemic to New Zealand.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 96.0 cm TL macho / no sexado; (Ref. 26346); common length : 55.0 cm TL macho / no sexado; (Ref. 9258)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas anales: 0; Radios blandos anales: 0. Dark grey dorsally, with silver-white markings, pale silver-grey ventrally (Ref. 26346).
Body shape (shape guide): elongated.
Inhabits the outer continental shelf and upper slope (Ref. 26346). Feeds on crustaceans, shellfish, worms and small fish (Ref. 26346). Maximum length 87 cm without tail filament (Ref. 26346), assumed to have 96 cm TL. Marketed as fillets (Ref. 26346).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Oviparous, young hatch from egg case at about 9-12 cm (Ref. 26346).
Cox, G. and M. Francis, 1997. Sharks and rays of New Zealand. Canterbury Univ. Press, Univ. of Canterbury. 68 p. (Ref. 26346)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: escaso valor comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00269 (0.00133 - 0.00547), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.5 ±0.46 se; based on food items. |
Resiliencia (Referencia 120179) |
Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Assuming Fec <100). |
|
Rate of population increase |
Prior r = 0.28, 95% CL = 0.19 - 0.42, Based on 1 data-limited stock assessment. |
Vulnerabilidad pesquera (Ref. 59153) |
High vulnerability (61 of 100). 🛈 |
Vulnerabilidad climática (Ref. 125649) |
Very high vulnerability (76 of 100). 🛈 |
Categoría de precios (Ref. 80766) |
High.
|
Nutrientes (Ref. 124155) |
Calcium = 11.4 [3.1, 38.0] mg/100g; Iron = 0.389 [0.134, 0.967] mg/100g; Protein = 15.9 [10.4, 19.0] %; Omega3 = 0.266 [0.100, 0.709] g/100g; Selenium = 18 [5, 59] μg/100g; VitaminA = 6.22 [1.30, 27.04] μg/100g; Zinc = 0.326 [0.172, 0.627] mg/100g (wet weight); |