Carcharhinus cautus, Nervous shark : fisheries

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Carcharhinus cautus (Whitley, 1945)

Nervous shark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Carcharhinus cautus   AquaMaps   Data sources: GBIF OBIS
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Image of Carcharhinus cautus (Nervous shark)
Carcharhinus cautus
Male picture by McAuley, R.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Carcharhinus: karcharos (Gr.), sharp or jagged; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, both words alluding to a shark's jagged, rasp-like skin. (See ETYFish);  cautus: Latin for nervous or wary, the “Nervous Shark” mentioned in Whitley (1940), referring to how the “slightest splashing” in shallow water caused this shark to “dash away at great speed into deep water”. (See ETYFish).
More on author: Whitley.

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

seewasser riff-verbunden; tiefenbereich 0 - 20 m (Ref. 106604). Tropical; 5°S - 30°S

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Western Pacific: southern New Guinea, Solomon Islands, and northern Australia (including Western Australia, Ref. 7300).

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 91.0, range 85 - ? cm
Max length : 150 cm TL Männchen/unbestimmt; (Ref. 244); 150.0 cm TL (female)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 0; Afterflossenstacheln 0; Afterflossenweichstrahlen: 0. Grey or light brown above, white below; dorsal, caudal, and pectoral fins with black margins, expanded apically to black tips on caudal fin lobes and pectoral fins; probably a conspicuous white band on flank (Ref. 9997).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

A little-known reef shark found in shallow water on the continental and insular shelves, but may range in deeper water (Ref. 244). Feeds on small fishes and crabs (Ref. 244). Viviparous (Ref. 50449). Rather skittish and timid when approached (Ref. 244). Probably harmless or minimally hazardous to people (Ref. 244). Utilized for human consumption (Ref. 9997).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Viviparous, placental (Ref. 50449). Size at birth between 35 and 39 cm (Ref. 244). Distinct pairing with embrace (Ref. 205).

Hauptreferenz Upload your references | Referenzen | Koordinator : Compagno, Leonard J.V. | Partner

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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCN Rote Liste Status (Ref. 130435)

  nicht bedroht (LC) ; Date assessed: 03 June 2019

CITES


CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless (Ref. 244)





Nutzung durch Menschen

Fischereien: weniger kommerziell
FAO - Publication: search | FishSource |

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Gehe zu, Suchen | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 24.3 - 28.6, mean 27.5 °C (based on 348 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00182 - 0.00604), b=3.10 (2.95 - 3.25), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.3   ±0.3 se; based on diet studies.
Widerstandsfähigkeit (Ref. 120179):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Fec = 1).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Preiskategorie (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 7.5 [1.5, 38.8] mg/100g; Iron = 0.403 [0.105, 1.136] mg/100g; Protein = 22.1 [19.2, 24.3] %; Omega3 = 0.126 [0.054, 0.289] g/100g; Selenium = 39.7 [10.8, 103.3] μg/100g; VitaminA = 58.3 [23.7, 151.7] μg/100g; Zinc = 0.556 [0.267, 1.076] mg/100g (wet weight);