Cephaloscyllium isabellum

(BONNATERRE, 1788)


Draughtsboard shark
Classification: Elasmobranchii Carcharhiniformes Scyliorhinidae

Reference of the original description
BONNATERRE, J.P. (1788)
Ichthyologie. Tableau encyclopédique et méthodique des trois règnes de la nature. Paris, 215 p., pl. A–B + 1–100.

Image of the original description
No image in first description.

Synonyms / new combinations and misspellings
Cephaloscyllium isabella, Scyllium lima, Scyllium sabella, Squalus isabella, Squalus isabella*

Types
Cephaloscyllium isabellum
Holotype: AMNH: apparently lost


Description :


Citation: Cephaloscyllium isabellum (BONNATERRE, 1788): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 06/2019

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Dorsal view of Cephaloscyllium isabellum (NMNZ P 5454, adult male 652 mm TL); In: LAST, P.R. & MOTOMURA, H. & WHITE, W.T. (2008): Cephaloscyllium albipinnum sp. nov., a new swellshark (Carcharhiniformes: Scyliorhinidae) from southeastern Australia. CSIRO Marine and Atmospheric Research Paper, 22: 147-158
Common names
spa Pejegato ajedrezado, fra \(T\) Holbiche damier, eng Carpet shark, eng Draughtsboard shark, eng Draughtsbroad shark

Short Description
Original diagnose after Compagno, 1984 [517]: Field Marks : A catshark with a stout body, no labial furrows, and with a striking colour pattern of dark dorsal saddles, lateral blotches, and small to moderately large dark spots on light ground colour, anterior nasal flaps short, subtriangular, and not overlapping mouth posteriorly, and second dorsal fin much smaller than first. Diagnostic Features: Snout broadly rounded-angular in dorsoventral view, rather short and broad; anterior nasal flaps subtriangular, not overlapping mouth posteriorly. Claspers short and stout. Colour pattern variegated, with up to 11 dark brown irregular saddles and laterally interdigitating blotches in a checkerboard pattern in the typical New Zealand form, but with more irregular dark blotches and mottling in Taiwanese and Japanese representatives of the species (if not distinct); a scattering of numerous dark brown or blackish' small spots on a grey or brown background; underside of head and abdomen unspotted; fins without conspicuous light margins. A large species

Distribution
Southwest Pacific, coastal shelf around North, South and Stewart Islands, New Zealand [24259]. Source: www.gbif.org

Biology
Oviparous, paired eggs are laid. Embryos feed solely on yolk [733]. Deposits two tendril eggcases at a time. Young hatch at 16 cm [1658]. Feeds on fish, cephalopods, benthic invertebrates and zooplankton [536][17641]; Diet of 87 C. isabellum specimens collected off Stewart Island: crustaceans (36% of records), with hermit crabs (20%) again important (Table 3). Teleost fishes (31%) and the sea tulip Boltenia pachydermatina (14%) [24259]

Size / Weight / Age
100.0 cm TL (male/unsexed; [578])

Habitat
reef-associated; marine; depth range 7 to 560 m [24259]

Remarks
shark-references Species-ID=1306;

Parasites (arranged by Jürgen Pollerspöck)
Cestoda
Trematoda
  • Otodistomum veliporum (CREPLIN, 1837) STAFFORD, 1904 [16602]
  • Probolitrema rotundatum JOHNSTON, 1934 [16602]

Nematoda