Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (sharks and rays) > Carcharhiniformes (Ground sharks) > Scyliorhinidae (Cat sharks) > Scyliorhininae
Etymology: Cephaloscyllium: cephalus, from kephale (Gr.), head, referring to its very broad and depressed head; skylion, Greek for dogfish or small shark. (See ETYFish); sarawakense: -ensis, Latin suffix denoting place: Sarawak, Malaysia, type locality. (See ETYFish).

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

Θαλασσινό(ά) βενθοπελαγικό; εύρος βάθους 100 - 200 m (Ref. 94801). Subtropical

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Pacific Ocean: South China Sea (western south Taiwan, Hong Kong, Gulf of Tongking, Vietnam, Malaysia).

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: L_m 37.5, range 35 - 40 cm
Max length : 39.7 cm TL αρσενικό/απροσδιόριστο; (Ref. 75582); 44.1 cm TL (female)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

This small-sized shark is distinguished by the following characters: adults with two distinct and wide brown saddle blotches before first dorsal fin while juveniles with 3; first saddle immediately behind eye, second over posterior 1/3 of base and inner margin of pectoral fin, the third a little before first dorsal fin, which fades with growth; dark lateral circular to oblong blotches above gill openings and on lateral side of trunk; young individuals with many polka dots on body and fins; anterior nasal flap triangular without an elongate flap (Ref. 98601).

All specimens were collected by trawl nets near the edge of the continental shelf (Ref. 75538).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής : Compagno, Leonard J.V. | Συνεργάτες

Yano, K., A. Ahmad, A.C. Gambang, A.H. Idris, A.R. Solahuddin and Z. Aznan, 2005. Sharks and rays of Malaysia and Brunei, Darussalam. SEAFDEC-MFRDMD/SP/12. Kuala Terengganu. Sharks and Rays Malaysia and Brunei:557 pp. (Ref. 75538)

IUCN Red List Status (Ref. 130435)

Critically Endangered (CR) (A2d); Date assessed: 20 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Περισσότερες πληροφορίες

Trophic ecology
Τροφικά αντικείμενα
Diet compositions
Food consumptions
Food rations
Θηρευτές

Ecology
Οικολογία

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
Αναπαραγωγή
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Προνύμφες
Δυναμική προνυμφών

Distribution
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Anatomy
Gill areas
Εγκέφαλοι
Otoliths

Physiology
Body compositions
Nutrients
Oxygen consumptions
Κολυμβητικός τύπος
Swimming speeds
Visual pigment(s)
Ήχοι ψαριών
Diseases / Parasites
Toxicities (LC50s)

Genetics
Γενετική
Electrophoreses
Heritabilities

Human related
Aquaculture systems
Προφίλ υδατοκαλλιεργειών
Στελέχοι
Ciguatera cases
Stamps, coins, misc.

Outreach
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Taxonomy
Κοινά ονόματα
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References
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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 123201): 17.5 - 23.6, mean 20.2 °C (based on 66 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00263 (0.00139 - 0.00497), b=3.21 (3.04 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Τροφικό Επίπεδο (Ref. 69278): 4.0 ±0.5 se; based on size and trophs of closest relatives

Ελαστικότητα (Ref. 120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Preliminary low fecundity).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (34 of 100).

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Cephaloscyllium sarawakense Yano, Ahmad & Gambang, 2005