Apristurus ampliceps

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Apristurus ampliceps Sasahara, Sato & Nakaya, 2008

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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Apristurus ampliceps   AquaMaps   Data sources: GBIF OBIS
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drawing shows typical species in Pentanchidae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: Greek, a = without + Greek, pristis = saw + Greek, oura = tail (Ref. 45335);  ampliceps: Name from Latin 'amplus' for large and 'caput' for head, refers to its large head.

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

; 海洋 深海底的; 深度上下限 800 - 1503 m (Ref. 76941).   

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Southwest Pacific: New Zealand and Australia.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 85.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 76941); 79.6 cm TL (female)

簡短描述 型態特徵 | 形態測量圖

This species has the following characters: upper labial furrows about equal to, or slightly shorter than the lower ones; length of pre-outer nostril 4.5-6.6% TL; semicircular upper jaw; continuous supraorbital sensory canal; first dorsal fin is slightly smaller than second; anal fin is rounded in shape; narrow dermal denticles, leaf-like and sparse in distribution; enlarged dermal denticles absent along the dorsal margin of caudal fin; 8-11 spiral valves in intestine; size at maturity 65.0-75.0 cm TL; uniformly brown or blackish brown body and fins (Ref. 76941).

生物學特性     字彙 (例如 epibenthic)

Claspers of males are short and less than 2.0% TL in specimens less than 52.7 cm TL, which is ranked as maturity stage 1 (immature); 73.3-76.5 cm TL have long but soft claspers (3.9-4.2% TL, maturity stage 2; greater than 78 cm TL have long, well developed and hardened claspers (3.6-5.6% TL, maturity stage 3). Immature males are less than 52.7 cm TL and for females 37.4 cm TL (maturity stage 1); adolescent in males of 73.3-76.5 cm TL and females of 57.8-65.6 cm TL are (maturity stage 2); and adult in males with greater than 78 cm TL and females greater than 67.8 cm TL (maturity stage 3) (Ref. 76941).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Sasahara, R., K. Sato and K. Nakaya, 2008. A new species of deepwater catshark, Apristurus ampliceps sp. nov., (Chondrichthyes: Carcharhiniformes: Scyliorhinidae), from New Zealand and Australia. In Last, P.R., White, W.T. & Pogonoski, J.J. (eds.): Descriptions of New Australian Chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. (Ref. 76941)

IUCN 瀕危狀態 (Ref. 123251)

  無危 (LC) ; Date assessed: 12 June 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Preferred temperature (Ref. 115969): 3.5 - 6.4, mean 4.6 °C (based on 20 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00148 - 0.00675), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.0   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  非常低的, 最小族群倍增時間超過14 年 (Fec assumed to be < 10).
瀕危性 (Ref. 59153):  Moderate to high vulnerability (50 of 100) .