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Carcharhinus cautus (Whitley, 1945)

Nervous shark
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Native range | All suitable habitat | Point map | Year 2100
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Carcharhinus cautus   AquaMaps   Data sources: GBIF OBIS
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Image of Carcharhinus cautus (Nervous shark)
Carcharhinus cautus
Male picture by McAuley, R.

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranquios (tiburones y rayas) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Carcharhinus: Greek, karcharos = sharpen + Greek, rhinos = nose (Ref. 45335).  More on author: Whitley.

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

; marino asociado a arrecife.   Tropical; 5°S - 30°S

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

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

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm 91.0, range 85 - ? cm
Max length : 150 cm TL macho / no sexado; (Ref. 244); 150.0 cm TL (female)

Short description Morfología | Morfometría

Espinas dorsales (total): 0; Radios blandos dorsales (total): 0; Espinas anales 0; Radios blandos anales: 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).

Biología     Glosario (por ej. 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 Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Viviparous, placental (Ref. 50449). Size at birth between 35 and 39 cm (Ref. 244). Distinct pairing with embrace (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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCN Red List Status (Ref. 120744)

  Data deficient (DD) ; Date assessed: 30 April 2003

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless (Ref. 244)





Human uses

Pesquerías: escaso valor comercial
FAO(Publication : search) | FishSource |

Más información

Países
Áreas FAO
Ecosistemas
Ocurrencias, apariciones
Introducciones
Stocks
Ecología
Dieta
componentes alimenticios
consumo de alimento
Ración
Nombres comunes
Sinónimos
Metabolismo
Despredadores
Ecotoxicología
Reproducción
Madurez
Puesta
Agregación para la puesta
Fecundidad
Huevos
Egg development
Age/Size
Crecimiento
Length-weight
Length-length
Length-frequencies
Morfometría
Morfología
Larva
Dinámica larvaria
Reclutamiento
Abundancia
Referencias
Acuicultura
Perfil de acuicultura
Razas
Genética
Frecuencias de alelos
heritabilidad
Enfermedades
Procesamiento
Mass conversion
Colaboradores
Imágenes
Stamps, Coins Misc.
Sonidos
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Tipo de natación
Superficie branquial
Otolitos
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Herramientas

Special reports

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Fuentes de Internet

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 24.3 - 28.6, mean 27.5 (based on 348 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00185 - 0.00593), b=3.10 (2.95 - 3.25), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  4.3   ±0.3 se; Based on diet studies.
Resiliencia (Ref. 69278):  Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (Fec = 1).
Vulnerability (Ref. 59153):  High vulnerability (61 of 100) .
Price category (Ref. 80766):   Medium.