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Nebrius ferrugineus (Lesson, 1831)

Tawny nurse shark
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Native range | All suitable habitat | Point map | Year 2050
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Nebrius ferrugineus   AquaMaps   Data sources: GBIF OBIS
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Image of Nebrius ferrugineus (Tawny nurse shark)
Nebrius ferrugineus
Picture by Banks, I.


Oman 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/mu.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
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) > Orectolobiformes (Carpet sharks) > Ginglymostomatidae (Nurse sharks)
Etymology: Nebrius: Nebrius ferrugineus (Lesson 1831). (See ETYFish);  ferrugineus: Latin for rust-colored, referring to brown coloration. (See ETYFish).

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

marino asociado a arrecife; rango de profundidad 0 - 70 m (Ref. 106604), usually 5 - 30 m (Ref. 43278).   Tropical; 36°N - 27°S, 32°E - 136°W

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

Indo-Pacific: Persian Gulf (Ref.80050), Red Sea and East Africa to the Tuamoto Islands, north to southern Japan, south to Australia.

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm ?, range 230 - ? cm
Max length : 320 cm TL macho / no sexado; (Ref. 247); common length : 250 cm TL macho / no sexado; (Ref. )

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Espinas anales: 0. This large, bulky nurse shark is distinguished by the following features: side of body without lateral ridges; precaudal tail shorter than trunk; spiracles much smaller than eyes; nostrils close to front of snout, with short barbels and nasoral grooves connecting them with the mouth but without circumnarial grooves and folds; snout wedge-shaped in lateral view; two dorsal fins, both with angular apices, the origin of the first about over the pelvic-fin origins and its insertion slightly behind the pelvic-fin insertions; second dorsal fin slightly smaller than first; caudal fin about 1/3 of total length, strongly asymmetrical. Colour tan dorsally, paler ventrally and fins slightly dusky (Ref. 9999, 90102).

Biología     Glosario (por ej. epibenthic)

Found on continental and insular shelves, from the intertidal down to at least 70 m (Ref. 247). Occurs on or near the bottom in lagoons or along the outer edges of coral and rocky reefs, sandy areas near reefs and off sandy beaches (Ref. 247, 43278). Primarily nocturnal, but may be active during the day (Ref. 247). Prefers crevices and caves on reefs but may be found hiding in more exposed areas (Ref. 247). Forms resting aggregations, and often seen piled across or on top of one another (Ref. 247). Feeds on a wide variety of bottom invertebrates, small fishes (Ref. 247), including cephalopods, crustaceans and sea urchins (Ref. 37816), corals (Ref. 68964). Docile and known to allow itself to be touched, but a few non-fatal attacks have been recorded (Ref. 247). Ovoviviparous (Ref. 43278). 4 or more young are born per litter (Ref. 37816). Survives in captivity (Ref. 247). Marketed fresh and dried-salted; fins dried for the oriental sharkfin trade; liver processed for vitamins and oil; offal processed for fishmeal; hide potentially valuable for leather (Ref. 247).

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

Ovoviviparous, with number of young at least four per uterus (Ref. 247); gives birth to litters of at about 8 pups (Ref.58048). Described as an oviparous or post-oviparous shark that retains the egg-cases until they hatch and the young are born. Size at birth 40 cm (TL, Ref.58048) to 60 cm (Ref. 9999). Also Ref. 205.

Main reference Upload your references | Referencias | Coordinador : Compagno, Leonard J.V. | 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)

  Vulnerable, ver lista roja de la UICN (VU) (A2bcd); Date assessed: 16 July 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Traumatogenic (Ref. 247)




Human uses

Pesquerías: comercial; pesca deportiva: si
FAO(pesquerías: species profile; publication : search) | FishSource | Sea Around Us

Más información

Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores
Ecology
Ecología
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Recruitments
Abundances
Life cycle
Reproducción
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinámica larvaria
Distribution
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Anatomy
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Tipo de natación
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Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)
Genetics
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Electrophoreses
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Human related
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Perfiles de acuicultura
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Stamps, coins, misc.
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References
Referencias

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Fuentes de Internet

Estimates based on models

Preferred temperature (Ref. 115969): 24.7 - 29, mean 28 (based on 1466 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00157 - 0.01110), b=3.08 (2.85 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  4.1   ±0.4 se; based on diet studies.
Resiliencia (Ref. 120179):  Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (Fec=4).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Price category (Ref. 80766):   Unknown.