Rhinochimaera africana, Paddlenose chimaera

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Rhinochimaera africana Compagno, Stehmann & Ebert, 1990

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

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

Holocephali 全頭亞綱 (銀鮫科) (chimaeras) > Chimaeriformes (Chimaeras) 銀鮫目 (Chimaeras) > Rhinochimaeridae (Longnose chimaeras) 長鼻銀鮫科 (Longnose chimaeras)
Etymology: Rhinochimaera: Greek, rhinos = nose + Latin, chimaera = marine monster, 1634 (Ref. 45335).

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

; 海洋 深海底的; 深度上下限 549 - 1450 m (Ref. 11228).   深水域

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

Southeast Atlantic: southern Africa and Mozambique Channel. Pacific Ocean: Japan (off Hokkaido and northern Honshu) to the east China Sea, including Taiwan; Costa Rica and Peru.
東南大西洋。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 81.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 97389)

簡短描述 型態特徵 | 形態測量圖

This species is distinguished by the following characters: elongate body with an elongate, broad and paddle-shaped pointed snout extending anterior to head (SNL 47.7% HDL), tapering to a slender tail; the junction of supraorbital and infraorbital canals on ventral side of snout is closer to the tip of the snout than to the nasal canal; ONC/TIO is greater than 1.4 (ONC/TIO= 1.64); TIO/SWF is less than 1.5 (TIO/SWF= 1.47); TIO/LNC is less than 3.0 (TIO/LNC= 2.75); tooth-plates are nearly smooth; eyes are relatively small (EYL 6.4% BDL), distinctly behind level of mouth; the first and second dorsal fins are separated by a relatively long interdorsal space (IDS 23.6% BDL) and not connected by a web of skin; caudal-fin axis weakly raised with the fin asymmetrical, the epaxial caudal-fin lobe narrower than hypaxial lobe; dorsal caudal tubercles 25; caudal filament vestigial; coloration uniformly dark brown across entire body, except the oronasal region which is abruptly paler than the body (Ref. 97389).

生物學特性     字彙 (例如 epibenthic)

Rare (Ref. 11228). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).

稀有的.(參考文獻 11228) 卵生的.(參考文獻 205) 卵被包在角狀的外型突起中。 (參考文獻 205)

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

Oviparous (Ref. 205).東南大西洋。

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

Heemstra, P.C., 1995. Additions and corrections for the 1995 impression. p. v-xv. In M.M. Smith and P.C. Heemstra (eds.) Revised Edition of Smiths' Sea Fishes. Springer-Verlag, Berlin. (Ref. 11228)

IUCN 瀕危狀態 (Ref. 123251)

  資料不足 (DD) ; Date assessed: 24 February 2016

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Preferred temperature (Ref. 115969): 2.1 - 8.2, mean 5.5 °C (based on 195 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6289   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00245 (0.00098 - 0.00614), b=3.14 (2.91 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.6   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Assuming Fec <100).
瀕危性 (Ref. 59153):  Moderate to high vulnerability (51 of 100) .