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Cephaloscyllium umbratile Jordan & Fowler, 1903

Blotchy swell 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.
Cephaloscyllium umbratile   AquaMaps   Data sources: GBIF OBIS
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Image of Cephaloscyllium umbratile (Blotchy swell shark)
Cephaloscyllium umbratile
Picture by Shao, K.T.

Common names from other countries

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (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);  umbratile: Latin for shaded, described as “marbled above with shades of dark and deep brown”. (See ETYFish).
  More on authors: Jordan & Fowler.

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

marien rifbewoner; diepte 20 - 500 m (Ref. 94801).   Subtropical

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Western North Pacific: Japan Sea, East China Sea (Japan, Korea, China and Taiwan) (Ref. 94801); possibly up to New Zealand. Similar to Cephaloscyllium isabellum but the color pattern is different.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: Lm 97.9, range 92 - 104 cm
Max length : 120 cm TL mannelijk / geslacht onbekend; (Ref. 95495); 110.0 cm (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

This species is distinguished by the following characters: with three broad dark saddle blotches before first dorsal fin, the first saddle on posterior half of interorbital region and immediately behind eye, second saddle over pectoral fin base, and third saddle at middle between pectoral and pelvic fin bases; adults with dark and irregular spots, sometimes with white spots between the saddles (Ref. 94801).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Found on rocky reefs (Ref. 12951); near shore, down to 300 m on sandy mud bottoms (Ref. 11230). Feeds mainly on bony fishes such as mackerel, sardines, filefishes, moray eels, dragonets, flatfishes and cowfishes (Ref. 12951) but also preys on elasmobranches and squid (Ref. 12951). Oviparous (Ref. 50449). Thrives and breeds in public aquariums (Ref. 12951).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Oviparous (Ref. 559), two tendril eggcases are deposited at one time (Ref. 12951). Embryos feed solely on yolk (Ref. 50449). Eggs hatch after about 1 year and size upon hatching is 16-22 cm (Ref. 12951).

Hoofdreferentie Upload your references | Referenties | Coördinator : Compagno, Leonard J.V. | Medewerkers

Nakaya, K., S. Inque and H.-C. Ho, 2013. A review of the genus Cephaloscyllium (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) from Taiwanese waters. Zootaxa 3752(1):101-129. (Ref. 94801)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Gevoelig (NT) (A2d); Date assessed: 28 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless (Ref. 12951)




Gebruik door de mens

Visserij: commercieel; Aquarium: Publieke aquaria
FAO(Publication : search) | FishSource |

Meer informatie

Trophic ecology
Voedselitems
Diet compositions
Food consumptions
Food rations
Predatoren
Ecology
Ecologie
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Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Lengtefrequenties
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Recruitments
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Maturities
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Estimates based on models

Preferred temperature (Ref. 115969): 11.5 - 26.5, mean 19.2 (based on 435 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref. 69278):  4.5   ±0.76 se; based on food items.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (49 of 100).
Prijsklasse (Ref. 80766):   Low.