ກຸ່ມປາກະດູກອ່ອນ (ເຊັ່ນ: ປາສະຫລາມ, ປາຜາໄລ) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Bythaelurus: bythos (Gr.), depths of the sea, referring to its deepwater habitat; ailouros (Gr.), cat, probably an allusion to the vernacular “catshark,” so named for its cat-like eyes (See ETYFish); naylori: In honor of Gavin Naylor, College of Charleston (Charleston, South Carolina, USA), for contributions and innovative molecular research into the higher classification of chondrichthyans and for his support of the junior author’s work in the Southwest Indian Ridge of the southwestern Indian Ocean (See ETYFish).
Eponymy: Dr Gavin Naylor is Program Director of the Florida Program for Shark Research at the Florida Museum of Natural History, where he is also Curator and Professor. [...] (Ref. 128868), visit book page.
ສະພາບແວດລ້ອມ: ສະພາບແວດລ້ອມ / ເຂດດິນຟ້າອາກາດ / ລະດັບຄວາມເລິກ / ຂອບເຂດການແຈກຢາຍ
ນິເວດວິທະຍາ
ສັດທະເລ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ; ລະດັບຄວາມເລິກ 89 - 1443 m (Ref. 102637). Deep-water; 33°S - 37°S, 55°E - 56°E (Ref. 102637)
Southwestern Indian Ocean: Southwest Indian Ridge. High Seas only.
ຂະໜາດ / ນ້ຳໜັກ / ອາຍຸ
ການຈະເລີນເຕັມໄວ: Lm ? range ? - ? cm
Max length : 51.1 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 102637); 54.8 cm TL (female)
ຄຳອະທິບາຍສັ້ນໆ
ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
ສັດທີ່ມີກະດູກສັນຫຼັງ: 114 - 128. This moderately-sized species is distinguished by the following set of characters: short snout
and bluntly rounded; preoral length 4.2-5.5% TL; oral cavity without papillae on the roof of the mouth and tongue; anal-fin base length is equal to or less than 1.5 times second dorsal-fin base length; upper caudal-fin margin with distinct enlarged dermal denticles; body colouration uniformly plain medium to dark brown, with light fin edges and a distinct dark dusky-colored snout (Ref. 102637)..
Body shape (shape guide): elongated; Cross section: angular.
Collected by bottom trawls and midwater trawls. Maturity size for females at 48.1 cm TL and are immature at 43.0 cm TL, males at 45.2 cm and immature at 38.0 cm TL (Ref. 102637).
ວົງຈອນຊີວິດ ແລະພຶດຕິກໍາການຫາຄູ່
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Ebert, D.A. and P.J. Clerkin, 2015. A new species of deep-sea catshark (Scyliorhinidae: Bythaelurus) from the southwestern Indian Ocean. J. Ocean Sci. Found. 15:53-63. (Ref. 102637)
ສະຖານະພາບບັນຊີແດງຂອງ IUCN (Ref. 130435: Version 2025-2 (Global))
ໄພຂົ່ມຂູ່ຕໍ່ມະນຸດ
Harmless
ການນໍາໃຊ້ຂອງມະນຸດ
ການປະມົງ: bycatch
ເຄື່ອງມື
ບົດລາຍງານພິເສດ
ດາວໂຫລດ XML
ແຫຼ່ງອີນເຕີເນັດ
ການຄາດຄະເນໂດຍອີງໃສ່ແບບຈໍາລອງ
ດັດຊະນີຄວາມຫຼາກຫຼາຍທາງຊີວະພາບ (ເອກະສານອ້າງອີງ
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00172 - 0.00698), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (ເອກະສານອ້າງອີງ
69278): 4.4 ±0.5 se; based on size and trophs of closest relatives
ຄວາມຢືດຢຸ່ນ (ເອກະສານອ້າງອີງ
120179): ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Preliminary low fecundity).
ຄວາມສ່ຽງຕໍ່ການຫາປາ (Ref.
59153): Moderate vulnerability (42 of 100).
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