Elasmobranchii (hajar och rockor) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Triakidae (Houndsharks) > Galeorhininae
Etymology: Hemitriakis: hemi-, from hemisys (Gr.), half, being a genus that Herre believed was “most closely related” to Triakis (See ETYFish); abdita: Latin for hidden, referring to the close external similarity of this sibling species to H. falcata (See ETYFish).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; djupintervall ? - 225 m (Ref. 26282). Deep-water
Western Central Pacific: Coral Sea off Queensland, Australia and from New Caledonia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 59.6 cm TL hane/ej könsbestämd; (Ref. 31238); 56.1 cm TL (female); publicerad maxvikt: 512.00 g (Ref. ); publicerad maxvikt: 512.00 g
Holotype collected from a depth of 225 m (Ref. 26282). Ovoviviparous (Ref. 50449).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Ovoviviparous, embryos feed solely on yolk (Ref. 50449).
Compagno, L.J.V. and V.H. Niem, 1998. Triakidae. Houndsharks, smoothhounds, topes. p. 1297-1304. In K.E. Carpenter and V.H. Niem (eds.) FAO identification guide for fishery purposes. The Living Marine Resources of the Western Central Pacific Vol. 2. Rome: FAO. (Ref. 13563)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00437 (0.00187 - 0.01020), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
4.1 ±0.5 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec assumed to be <100). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (37 of 100). 🛈 |