Elasmobranchii (hajar och rockor) (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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 50 - 100 m (Ref. 244). Tropical; 39°N - 8°S
Western Pacific: southeastern Japan to Viet Nam and northwestern Java, Indonesia (Ref. 13566).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 57.0 cm TL hane/ej könsbestämd; (Ref. 244); 65.0 cm TL (female)
Taggstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2)
Mänskliga användningsområden
Fiskeri: husbehovsfiske
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 17.4 - 28, mean 25.1 °C (based on 134 cells).
Index för fylogenetisk mångfald (Ref.
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).
Trofisk nivå (Ref.
69278): 4.1 ±0.57 se; based on food items.
Resiliens (Ref.
120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Fec = 1-2).
Sårbarhet i fisket (Ref.
59153): Moderate to high vulnerability (46 of 100).
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