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Oxynotus paradoxus
Picture by Fundação Rebikoff-Niggeler
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Picture by Fundação Rebikoff-Niggeler
Ireland country information
Common names:
[No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ei.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ei.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:
Common names from other countries
分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Oxynotidae (Rough sharks)
Etymology: Oxynotus: oxys (Gr.), sharp; notos (Gr.), back, referring to its keeled back (“dorso carenato”) (See ETYFish); paradoxus: Latin for strange or contrary to expectation; Frade was not sure if this shark, with its first dorsal spine directed backward instead of forward, represented a new species or an aberrant form of O. centrina (See ETYFish).
Etymology: Oxynotus: oxys (Gr.), sharp; notos (Gr.), back, referring to its keeled back (“dorso carenato”) (See ETYFish); paradoxus: Latin for strange or contrary to expectation; Frade was not sure if this shark, with its first dorsal spine directed backward instead of forward, represented a new species or an aberrant form of O. centrina (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range 生態學
分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri
Eastern Atlantic: Atlantic slope from Scotland to Senegal (Ref. 247).
東大西洋: 大西洋斜坡從蘇格蘭到塞內加爾。
東大西洋: 大西洋斜坡從蘇格蘭到塞內加爾。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 120 cm TL 雄魚/尚未辨別雌雄; (Ref. 35388); common length : 85.0 cm TL 雄魚/尚未辨別雌雄; (Ref. )
Max length : 120 cm TL 雄魚/尚未辨別雌雄; (Ref. 35388); common length : 85.0 cm TL 雄魚/尚未辨別雌雄; (Ref. )
Found on the continental slope (Ref. 247; shallow depth from Ref. 35388. Probably feeds on small bottom invertebrates and fishes. Ovoviviparous.
棲息於大陸斜坡了。 可能吃小的底棲無脊椎動物與魚。 卵胎生的。
棲息於大陸斜坡了。 可能吃小的底棲無脊椎動物與魚。 卵胎生的。
Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Distinct pairing with embrace (Ref. 205).東大西洋: 大西洋斜坡從蘇格蘭到塞內加爾。
主要參考資料
Upload your references | 參考文獻 | 合作者 | 合作者
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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
次級保育類動物, 見 IUCN 紅皮書 (VU) (A2d); Date assessed: 31 August 2020
對人類具威脅
無害處的
人類使用
漁業: 低經濟
FAO(漁業: 產生, 魚種描繪; publication : search) | FishSource | 周邊海洋
更多資訊
Population dynamics
成長參數
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Length-length rel.
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入添量
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Length-length rel.
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Physiology
Body composition
Nutrients
耗氧量
游泳類型
游泳速度
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
耗氧量
游泳類型
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Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
遺傳學
Heterozygosity
遺傳率
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Heterozygosity
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Estimates based on models
Phylogenetic diversity index (Ref. 82804): PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00163 - 0.00849), b=3.15 (2.94 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278): 4.0 ±0.60 se; based on food items.
回復力 (Ref. 120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153): High to very high vulnerability (72 of 100).
Climate Vulnerability (Ref. 125649): Moderate vulnerability (36 of 100).