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इलाज़मौबरांकी (शारक और रेज़) (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); stevensi: In honor of John Stevens (b. 1947), whose 1994 work (with Peter Last) on Australian sharks was the “foundation for research that led to the descriptions of 37 new chondrichthyan fishes, including 11 species of Cephaloscyllium” (See ETYFish).
Eponymy: Dr John Donald Stevens (d: 1947) is a biologist and ichthyologist who was a Senior Principal Research Scientist with CSIRO Marine and Atmospheric Research, originally in Sydney (1979–1984) and subsequently in Hobart, Tasmania, Australia (1984–2011). [...] (Ref. 128868), visit book page.
More on authors: Clark & Randall.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
समुद्री pelagic-neritic; गहराई सीमा 240 - 274 m (Ref. 86282). Tropical
Western Pacific: Papua New Guinea.
आकार / वज़न / आयु
परिपक्व अवधि: Lm ?  range ? - ? cm
Max length : 66.0 cm TL (female)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
Similar to its congeners, this species is most easily distinguished by its color pattern: gray-brown above, whitish ventrally, mottled with brown and whitish spots of variable size over head and body, including ventrally; 6 large dark brown saddle blotches dorsally on head and body and 3 on caudal fin; first four dorsal dark blotches connecting or leading obliquely to other dark blotches below; small white spots most distinct within or at edges of dark brown blotches (Ref. 86282).
Body shape (shape guide): elongated.
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Clark, E. and J.E. Randall, 2011. Cephaloscyllium stevensi: a new species of swellshark (Carcharhiniformes: Scyliorhinidae) from Papua New Guinea. aqua, Int. J. Ichthyol. 17(1):23-34. (Ref. 86282)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
साधन
विशेष रिपोर्ट
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इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
पसंदीदा तापमान (संदर्भ
123201): 8.9 - 11.8, mean 9.1 °C (based on 6 cells).
जातिवृति विविधता सूचकांक (संदर्भ
82804): PD
50 = 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).
ट्रॉफिक स्तर (संदर्भ
69278): 4.1 ±0.5 se; based on size and trophs of closest relatives
लौटाव (संदर्भ
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Preliminary low fecundity).
मछली पकड़ने की भेद्यता (Ref.
59153): Moderate to high vulnerability (46 of 100).
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