Squalus crassispinus Last, Edmunds & Yearsley, 2007
Fatspine spurdog
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Squalus crassispinus AquaMaps Data sources: GBIF OBIS |
分類 / 名稱 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) 角鯊目 (Sleeper and dogfish sharks) > Squalidae (Dogfish sharks) 棘鮫科 (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436); crassispinus: Name from Latin 'crassus' meaning fat or stout and 'spinus' for thorn, referring to the unusually stout dorsal-fin spines (Ref. 58437).
More on authors: Last, Edmunds & Yearsley.
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436); crassispinus: Name from Latin 'crassus' meaning fat or stout and 'spinus' for thorn, referring to the unusually stout dorsal-fin spines (Ref. 58437).
More on authors: Last, Edmunds & Yearsley.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
海洋 pelagic-oceanic; 深度上下限 187 - 262 m (Ref. 58437). 亞熱帶的
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Eastern Indian Ocean: northwestern Australia; probably occurs more widely in the eastern Indian Ocean.
東印度洋: 澳洲西北部; 在東印度洋中更廣泛可能發生在。
東印度洋: 澳洲西北部; 在東印度洋中更廣泛可能發生在。
大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
This small species of the 'megalops-cubensis group' is distinguished by the following characters: head width at mouth 9.9-11.3% TL; mouth width 2.1-2.4 times the horizontal prenarial length; direct pre-second dorsal length 3.7-4.2 times the pectoral-fin anterior margin, 2.6-2.8 times the dorsal caudal margin; preoral length 2.7-3.0 times the horizontal prenarial length, 8.3-9.2% TL; anterior nasal flap strongly bifurcate; first dorsal fin upright to raked; the exposed bases of dorsal-fin spines are very broad, 1.2-1.5% TL; both dorsal fins have short inner margins, first dorsal-fin height 1.3-1.7 times its inner margin length, second dorsal-fin height 1.1-1.3 times its inner margin length; pectoral-fin anterior margin 1.9-2.2 times its inner margin length; preventral caudal margin 2.4-4.6 times inner margin of pelvic fin; caudal fin pale with poorly demarcated, whitish posterior margin, caudal bar absent; flank denticles unicuspid; monospondylous centra 39-42 (mainly 40-41), precaudal centra 82-86, total centra 107-111 (mainly 109-110) (Ref. 58437).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
Found at the lower continental shelf and upper continental slope (Ref. 58437).
發現在下面的大陸棚與大陸坡上層.。 (參考文獻 58437)
發現在下面的大陸棚與大陸坡上層.。 (參考文獻 58437)
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Distinct pairing with embrace (Ref. 205).東印度洋: 澳洲西北部; 在東印度洋中更廣泛可能發生在。
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 : Compagno, Leonard J.V. | 合作者
Last, P.R., M. Edmunds and G.K. Yearsley, 2007. Squalus crassispinus sp. nov., a new spurdog of the 'megalops-cubensis' group' from the eastern Indian Ocean. p. 11-22. In P.R. Last, W.T. White and J.J. Pogonoski Descriptions of new dogfishes of the genus Squalus (Squaloidea:Squalidae). CSIRO Marine and Atmospheric Research Paper No. 014. 130 p. (Ref. 58437)
CITES
Not Evaluated
對人類具威脅
無害處的
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漁業: 潛在的興趣
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解剖學
鰓區
腦部
耳石
鰓區
腦部
耳石
生理學
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
遺傳學
基因組
遺傳學
異種性
遺傳率
遺傳多樣性
基因組
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遺傳多樣性
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基於模型的估計
首選溫度 (參考文獻 123201): 14 - 17.7, mean 16.5 °C (based on 9 cells).
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00163 - 0.00737), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 4.2 ±0.3 se; based on size and trophs of closest relatives
回復力 (參考文獻 120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).