Orectolobus leptolineatus, Indonesian wobbegong

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Orectolobus leptolineatus Last, Pogonoski & White, 2010

Indonesian wobbegong
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Image of Orectolobus leptolineatus (Indonesian wobbegong)
Orectolobus leptolineatus
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Orectolobiformes (Carpet sharks) > Orectolobidae (Carpet or nurse sharks)
Etymology: Orectolobus: orektos (Gr.), stretched out; lobus (L.), from lobos (Gr.), rounded projection or protuberance, referring to long nasal barbels of Squalus barbatus (=O. maculatus). (See ETYFish);  leptolineatus: leptos (Gr.) fine or thin; lineatus (L.), lined, referring to thin, vermicular markings on dorsal surface. (See ETYFish).
More on authors: Last, Pogonoski & White.

Environment: milieu / climate zone / depth range / distribution range 生態学

海 底生の漂泳性; 深さの範囲 20 - 110 m (Ref. 126634). Tropical

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Western Pacific: Indonesia (Ref. 84278); also from off Sarawak Malaysian (Borneo), and with unconfirmed records from Taiwan (Penghu Islands), and the Philippines (Visayas and Cebu City), Ryukyu Islands (Ref. 90102).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 112 cm TL オス/雌雄の選別がない; (Ref. 84278); 120.0 cm TL (female)

簡単な記述 形態学 | 形態計測学

This medium-sized (to at least 120 cm TL) Orectolobus species is distinguished by the following set of characters: coloration complex and variable, strongly vermiculate over dorsal and lateral surfaces with alternating dark brownish bars and saddles; dorsal and upper surface of paired fins with prominent vermicular patterns; ventral surface of trunk mainly uniformly pale; nasal barbel with a branch; preorbital dermal lobes complex, with 2-3 simple lobes in PO1 group and 3-4 simple to terminally branched lobes in PO2; simple postspiracular dermal lobes, well- developed, thallate, distance across preorbital group 1.3-1.6 times interspace between preorbital group and postspiracular lobe (PO/PO-PS1), 6.5-8.0 times base length of anterior postspiracular lobe (PO/PS1); base of anterior postspiracular lobe 4.3-5.3 in its distance from postorbital group (PO-PS1/PS1), 2.5-2.9 in its distance from posterior postspiracular lobe (PS1-PS2/PS1); enlarged supraocular knob or warty tubercles on back absent; dorsal fins tall, upright; first dorsal-fin origin near insertion of pelvic fin; tip of pelvic fin below insertion of first dorsal fin; interdorsal space 0.5-0.8 times anal-fin base length; anal-fin inner margin 0.7-0.8 of anal-fin posterior margin; 23 tooth rows in upper jaw, rudimentary row of teeth at symphysis of upper jaw usually present; monospondylous centra 44-51; total vertebral centra about 148-163 (Ref. 84278).

生物学     用語集 (例 epibenthic)

The depth range of this species is not well defined; specimens observed at fish markets were presumably caught by longline fishers operating in deeper parts of the continental shelf. It probably prefers deeper colder water with a single shallow water observation from the east coast of Bali where cold-water upwelling is common. All males (n = 43) mature by ca 90 cm TL; smallest mature female recorded at 94 cm TL, two pregnant females recorded at 104 and 108 cm TL, smaller of the two pregnant females contained 4 mid-term embryos between 13 and 14 cm TL (Ref. 84278).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Last, P.R., J.J. Pogonoski and W.T. White, 2010. A new wobbegong shark, Orectolobus leptolineatus sp. nov. (Orectolobiformes: Orectolobidae), from the Western Central Pacific. pp. 1-16. In Last, P.R., White, W.T. & Pogonoski, J.J. (eds.): Descriptions of new sharks and rays from Borneo. CSIRO Marine and Atmospheric Research Paper no. 32. (Ref. 84278)

IUCNのレッドリストの状況は (Ref. 130435)

  絶滅危惧に近い (NT) (A2d); Date assessed: 19 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

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インターネットの情報源

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5012   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.9   ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (72 of 100).