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Bythaelurus immaculatus (Chu & Meng, 1982)

Spotless catshark
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Bythaelurus immaculatus
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Classification / Names ຊື່ສາມັນ | ຄຳສັບຄ້າຍຄືກັນ | Catalog of Fishes(ຕະກຸນ, ຊະນິດ) | ITIS | CoL | WoRMS | Cloffa

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)immaculatus: im-, from in (L.), not; maculatus (L.), spotted, referring to its lack of markings (See ETYFish).

Environment: milieu / climate zone / ລະດັບຄວາມເລິກ / distribution range ນິເວດວິທະຍາ

ສັດທະເລ ກ່ຽວກັບ(ຢູ່)ຊັ້ນນ້ຳໃນທະເລທີ່ເໜີອພື້ນດິນ; ລະດັບຄວາມເລິກ 534 - 1020 m. Deep-water; 20°N - 17°N

ການແຜ່ກະຈາຍ ປະເທດ | ເຂດ FAO | ລະບົບນິເວດ | ການປະກົດຕົວ | ຈຸດໃດໜຶ່ງທີ່ສະແດງອອກໃນແຜນທີ່ (ພ້ອມທັງສະແດງຂໍ້ມູນເພີ້ນເຕີມ) | ການແນະນຳ | Faunafri

Northwest Pacific: only known from the South China Sea at about 380 to 400 km east of Hainan Island Occurrence in the Western Central Pacific uncertain, marginal in the South China Sea (Ref. 11146). For unavailability of material to be examined, the generic placement and recognition of this species is provisional.

ຂະໜາດ / ນ້ຳໜັກ / Age

ການຈະເລີນເຕັມໄວ: Lm ?  range ? - ? cm
Max length : 71.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 244); 76.0 cm TL (female)

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

Found on the continental slope. Just recently described. Not utilized at present.

Life cycle and mating behavior ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

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 2024-2)

  Least Concern (LC) ; Date assessed: 27 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

ການປະມົງ: ທີ່ບໍ່ມີຄວາມສົນໃຈ
FAO - Publication: search | FishSource |

ຂໍ້ມູນຕື່ມອີກ

ນິເວດວິທະຍາເຂດຮ້ອນ
Food items (preys)
ອົງປະກອບຂອງອາຫານ
ການບໍລິໂພກອາຫານ
Food rations
ຜູ້ລ້າ
ນິເວດວິທະຍາ
ນິເວດວິທະຍາ
Home ranges
Population dynamics
ຕົວວັດແທກການເຕີບໃຫຍ່
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
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Life cycle
ການສືບພັນ
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ຄວາມດົກຂອງໄຂ່ປາ
ການວາງໄຂ່
Spawning aggregations
ໄຂ່
Egg development
ຕົວອ່ອນ
ການປ່ຽນແປງຂອງຕົວອ່ອນ
ການແຜ່ກະຈາຍ
ປະເທດ
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ເນື້ອທີ່ເຫືອກ
Brain
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Physiology
Body composition
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ການບໍລິໂພກອົກຊີເຈນ
ປະເພດການລອຍ
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ກຳມະພັນ
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Human related
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ສາຍພັນ
Ciguatera cases
Stamps, coins, misc.
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ແຫຼ່ງອີນເຕີເນັດ

Estimates based on models

Phylogenetic diversity index (ເອກະສານອ້າງອີງ 82804):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00175 - 0.00721), 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):  4.5   ±0.5 se; based on size and trophs of closest relatives
ຄວາມຢືດຢຸ່ນ (ເອກະສານອ້າງອີງ 120179):  ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (50 of 100). 🛈