This page is sponsored by
FishBase Consortium Member

Carcharhinus cautus (Whitley, 1945)

Nervous shark
Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Carcharhinus cautus   AquaMaps   Data sources: GBIF OBIS
Upload your photos and videos
Pictures | Google image
Image of Carcharhinus cautus (Nervous shark)
Carcharhinus cautus
Male picture by McAuley, R.

Classification / Names आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

इलाज़मौबरांकी (शारक और रेज़) (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 पारिस्थितिकी

; समुद्री प्रवाल-भित्ति संयुक्त.   Tropical; 5°S - 30°S

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

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

Length at first maturity / आकार / वज़न / Age

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

Short description आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण): 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 0; गुदा कांटा 0; ऐनल सौफट रेज़: 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).

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ 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 परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

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 | संदर्भ | संयोजक : Compagno, Leonard J.V. | सहयोगीयो

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

मात्स्यिकी: लघु वाणिज्य
FAO(Publication : search) | FishSource |

अधिक जानकारी

आम नाम
उपशब्द
चपायचय
परभक्षी
ईकोटोकसीकोलौजी
पुनरुत्पत्ति
परिपक्व अवधि
मछलीऔ का अंडे देना
Spawning aggregation
Fecundity
अंडे
Egg development
Age/Size
बाढ़
Length-weight
Length-length
Length-frequencies
मौरफोमैटरिक्स
आकृति विज्ञान
लार्वा
लारवल गतिकी
भर्ती
बहुतायत
संदर्भ
जलीयकृषि
जलीयकृषि रूपरेखा
खींच
आनुवंशिकी
ऐल्लि आवृतियाँ
हैरेटिबिलटी
बीमारी
प्रक्रमण
Mass conversion
सहयोगीयो
तस्वीरे
Stamps, Coins Misc.
ध्वनि
सिगुयटिरा
रफ्तार
तैरने के प्रकार
गिल क्षेत्र
Otoliths
दिमाग
दृष्टि

साधन

Special reports

Download XML

इंटरनेट स्रोत

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).
Trophic Level (Ref. 69278):  4.3   ±0.3 se; Based on diet studies.
लौटाव (Ref. 69278):  बहुत नीचे, न्यूनतम जनसंख्या दुगनी समय अवलागत 14 महीने। (Fec = 1).
Vulnerability (Ref. 59153):  High vulnerability (61 of 100) .
Price category (Ref. 80766):   Medium.