Cephaloscyllium speccum, Speckled swellshark

Cephaloscyllium speccum Last, Séret & White, 2008

Speckled swellshark
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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 speccum   AquaMaps   Data sources: GBIF OBIS
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Image of Cephaloscyllium speccum (Speckled swellshark)
Cephaloscyllium speccum
Photo von Krajangdara, T.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (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)speccum: From specca (L.), speckled, referring to dark brown spots and blotches that dominate its color pattern (See ETYFish).
More on authors: Last, Séret & White.

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

seewasser benthopelagisch; tiefenbereich 150 - 455 m (Ref. 76946). Tropical

Verbreitung Territorien | FAO Gebiete | Ökosysteme | Vorkommen | Punkt Karte | Einführungen | Faunafri

Eastern Indian Ocean: Australia.

Länge bei der ersten Reifung / Größe / Gewicht / Alter

Geschlechtsreife: Lm ?, range 64 - ? cm
Max length : 68.0 cm TL Männchen/unbestimmt; (Ref. 76946); 69.4 cm TL (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

A medium-sized species with the following characters: head 7.8-12.5% TL in height, trunk width 13.0-16.8% TL; origin of first dorsal-fin mostly over posterior of pelvic-fin base; prenarial 3.6-4.9% TL in length; preorbital snout length 1.5-2.0 times prenarial length, 2.6-3.1 in prepectoral length, 5.9-7.1 in prepelvic length; snout-vent length long, 47.4-51.1% TL; nostril 2.2-2.7% TL in width; eye-spiracle space narrow, 0.4-1.0% TL; pectoral fin medium-sized, height 8.9-13.8% TL, posterior margin 8.5-13.3% TL; anal fin tall, 3.2-4.4% TL; anal-caudal space 4.5-6.1% TL; precaudal 76-78% TL in length; interdorsal space 6.5-8.6% TL; teeth have 3-5 cusps; unicuspidate or weakly tricuspidate flank denticles; back with no greatly enlarged denticles; adult clasper long, outer length about 7% TL, well short of anal fin, interspace about 1.9% TL; vertebral centra 111-115; tooth count relatively high, 69-97 teeth in each jaw; color of upper half of body pale, with a strongly variegated pattern that is well-demarcated from the ventral surface; dark saddles (8) evident on body and caudal fin; pale variegated dorsal fins; dark blotch over gills absent; distinct V-shaped marking on posterior margin of terminal lobe of caudal fin absent; upper surfaces of pectoral and pelvic-fin without a dark central blotch; without dark saddle extending onto caudal peduncle above origin of ventral lobe of caudal fin; uniformly pale on the ventral surface; color of juveniles pale, with dark lines and spots forming rosettes and linear saddle markings, and the markings between spiracles separated into two unconnected pseudo-ocelli (Ref. 76946).
Body shape (shape guide): elongated.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven

Hauptreferenz Laden Sie Ihre Referenzen hoch | Referenzen | Koordinator : Compagno, Leonard J.V. | Partner

Last, P.R., B. Séret and W.T. White, 2008. New swellsharks (Cephaloscyllium: Scyliorhinidae) from the Indo-Australian region. In Last, P.R., White, W.T. & Pogonoski, J.J. (eds.): Descriptions of New Australian Chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. (Ref. 76946)

IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))

  nicht bedroht (LC) ; Date assessed: 28 May 2025

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Schätzungen auf der Grundlage von Modellen

Bevorzugte Temperatur (Ref. 123201): 11.4 - 16.5, mean 13.4 °C (based on 21 cells).
Phylogenetischer Diversitätsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00269 (0.00140 - 0.00518), b=3.21 (3.04 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophische Ebene (Ref. 69278):  4.1   ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary low fecundity).
Anfälligkeit der Fischerei (Ref. 59153):  Moderate to high vulnerability (48 of 100). 🛈