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Echinorhinus cookei Pietschmann, 1928

Prickly shark
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Native range | All suitable habitat | Point map | Year 2050
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Echinorhinus cookei   AquaMaps   Data sources: GBIF OBIS
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Image of Echinorhinus cookei (Prickly shark)
Echinorhinus cookei
Picture by Robertson, R.


Fiji country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/fj.html
National Fisheries Authority: http://www.spc.org.nc/coastfish/Countries/fiji/fiji.htm
Occurrences: Occurrences Point map
Main Ref: Seeto, J. and W.J. Baldwin, 2010
National Database:

Common names from other countries

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

Elasmobranquios (tiburones y rayas) (sharks and rays) > Echinorhiniformes (Bramble sharks) > Echinorhinidae (Bramble sharks)
Etymology: Echinorhinus: echinos (Gr.), spiny or sea urchin, referring to thorn-like denticles (brambles) on body; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, alluding to a shark’s jagged, rasp-like skin. (See ETYFish);  cookei: In honor of the “distinguished conchologist” Charles Montague Cook, Jr. (1874-1948), Bishop Museum (Honolulu), for his “helpful assistance” with Pietschmann’s work (per Pietschmann 1930). (See ETYFish).

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

marino bentopelágico; rango de profundidad 11 - 1100 m (Ref. 26346), usually 70 - ? m (Ref. 6871).   Subtropical; 47°N - 55°S, 119°E - 68°W (Ref. 54428)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Western Pacific: Japan (Ref. 6871), Taiwan, Palau, Australia (Ref. 6871) and New Zealand. Eastern Pacific: Hawaii, USA, Gulf of California, and from Costa Rica to Peru and Chile (Ref. 13564). Also reported in Nicaragua (Ref. 13613).

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm 275.0, range 250 - 300 cm
Max length : 400 cm TL macho / no sexado; (Ref. 247)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Espinas anales: 0; Vértebra: 89. The prickly shark Echinorhinus cookei has thorn-like denticles on body which are moderately large (single denticles up to about 4mm in basal diameter in adults), numerous, regularly distributed, with scalloped basal margins, and never fused into compound plates. Grayish brown in color, with black distal fin margins; white around mouth and on ventral surface of snout. Tooth count 21-23/20-22. Total vertebrae 89; precaudal 59. As with the other member of the family Echinorhinidae, it has a relatively short snout and stout body; two small spineless dorsal fins, close together, towards posterior part of body and originating behind pelvic fin origin. No anal fin and subterminal notch on caudal fin. Small spiracles, very short labial furrows and teeth on both jaws alike, with a central oblique bladelike cusps with up to 3 cusplets on each side (absent in juveniles) (Ref. 247, 6871).

Biología     Glosario (por ej. epibenthic)

A large, sluggish shark occurring on continental and insular shelves and upper slopes (Ref. 247). Feeds on a variety of fishes, other sharks, octopi and squids (Ref. 13564). Ovoviviparous (Ref. 205), with up to 114 in a litter (Ref. 26346).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Presumably ovoviviparous (Ref. 6871) with up to 114 in a litter (Ref. 26346).Distinct pairing with embrace (Ref. 205). Size at birth 40-45 cm. Some males mature by 198 cm; females mature between 250 and 300 cm (Ref. 6871).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCN Red List Status (Ref. 130435)

  Data deficient (DD) ; Date assessed: 30 June 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Pesquerías: escaso valor comercial
FAO(pesquerías: species profile; publication : search) | FishSource |

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Trophic ecology
componentes alimenticios
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Despredadores
Ecology
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Length-weight rel.
Length-length rel.
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Egg(s)
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Fuentes de Internet

Estimates based on models

Preferred temperature (Ref. 115969): 3.8 - 19.5, mean 12.1 (based on 522 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00139 - 0.00949), b=3.13 (2.90 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  4.4   ±0.76 se; based on food items.
Resiliencia (Ref. 120179):  Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Price category (Ref. 80766):   Unknown.