इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Proscylliidae (Finback catsharks)
Etymology: Proscyllium: pro (L.), in front of, probably referring to far forward placement of dorsal fin compared with Scyllium (=Scyliorhinus, Scyliorhinidae) (See ETYFish); habereri: In honor of German physician, anthropologist and natural history collector Karl Albert Haberer (1864-1941), who collected holotype (See ETYFish).
Eponymy: Dr Karl Albert Haberer (1864–1941) was an independent German anthropologist, naturalist, student of politics, and collector in Japan and China. [...] (Ref. 128868), visit book page.
More on author: Hilgendorf.
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 50 - 100 m (Ref. 244). Tropical; 39°N - 8°S
Western Pacific: southeastern Japan to Viet Nam and northwestern Java, Indonesia (Ref. 13566).
आकार / वज़न / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 57.0 cm TL पुल्लिंग / अलिंग; (Ref. 244); 65.0 cm TL (female)
पृष्ठीय रीढ़ (सम्पूर्ण) : 0; गुदा कांटा: 0. Caudal fin without a rippled dorsal margin and ventral lobe but with a strong subterminal notch; vertebral axis of caudal fin little raised above body axis (Ref. 13566). Round dark brown spots and indistinct saddles (Ref. 13566).
Body shape (shape guide): elongated.
A little-known, uncommon bottom-dwelling shark found on the shelves of continental and insular waters (Ref. 244). Dwell on the sublittoral zone, 50-320 m (Ref. 11230). Food habits little known; probably feeding on bony fishes, crustaceans and cephalopods (Ref. 244). Oviparous (Ref. 50449), with 1 to 2 pups in a litter (Ref. 244).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Oviparous, with a single egg deposited per uterus (Ref. 244). Embryos feed solely on yolk (Ref. 50449).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Human uses
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (संदर्भ
123201): 17.4 - 28, mean 25.1 °C (based on 134 cells).
Phylogenetic diversity index (संदर्भ
82804): PD
50 = 0.6328 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00288 (0.00112 - 0.00741), b=3.15 (2.92 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (संदर्भ
69278): 4.1 ±0.57 se; based on food items.
लौटाव (संदर्भ
120179): बहुत नीचे, न्यूनतम जनसंख्या दुगनी समय अवलागत 14 महीने। (Fec = 1-2).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).
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