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Cephaloscyllium circulopullum  Yano, Ahmad & Gambang, 2005

Circle-blotch pygmy swell shark
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| Native range | All suitable habitat | Year 2100 |
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Cephaloscyllium circulopullum   AquaMaps   Data sources: GBIF OBIS
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Image of Cephaloscyllium circulopullum (Circle-blotch pygmy swell shark)
No image available for this species;
drawing shows typical fish in this Family.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Scyliorhinidae (Cat sharks)
Etymology: Cephaloscyllium: Greek, kephale = head + skylion = dogfish (Ref. 80388);  circulopullum: Named for the dark blotch ('circle dark') at the center of the body, between the pectoral and pelvic fins.

Environment / Climate / Range Ecology

Marine; benthopelagic; depth range 118 - 165 m (Ref. 75538).   Tropical

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 38 - ? cm
Max length : 37.8 cm TL male/unsexed; (Ref. 75538)

Short description Morphology | Morphometrics

This small-sized shark is distinguished by the following characters: body comparatively slender with a short head; snout moderately flattened, short and broadly rounded; no labial furrows; small teeth in both jaws; an inflatable stomach for water or air; dorsal caudal fin without ridge of enlarged denticles; first dorsal fin origin half of pelvic fin base, distance between snout tip and first dorsal fin origin about 49-50% of TL; from snout tip to pectoral fin origin > 20% of TL; mouth width 38% of HL in adults; first dorsal fin larger than the second one; pectoral fins relatively large and broad. Field characters include, anterior nasal flaps not overlapping mouth posteriorly; color pattern, a few broad dark saddles on back and with almost circle dark blotch on center of body side between pectoral and pelvic fins, no white spots (Ref. 75538).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: Malaysia and Brunei Darussalam.

Biology     Glossary (e.g. epibenthic)

Specimens were collected with bottom trawl nets (Ref. 75538).

Main reference Upload your references | References | Coordinator : Compagno, Leonard J.V. | Collaborators

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.

IUCN Red List Status (Ref. 90363)

   

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=-2.49000 (nan - nan), b=3.10 (2.92 - 3.28), based on LWR estimates for this Subfamily-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.9   ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100) .