分類 / 名稱
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Teleostei >
Scombriformes (Mackerels)
鱸形目 (Mackerels) >
Gempylidae (Snake mackerels)
蛇鯖科 (Snake mackerels)
Etymology: Paradiplospinus: Greek, para = the side of + Greek, diploos = double + Latin, spina, pinna = thron (Ref. 45335).
More on author: Andriashev.
Taxonomic Remarks
Validity of species questionnable for some authors, but no recent publications.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 深海區的; 深度上下限 0 - 2830 m (Ref. 6181). 深水域; 31°S - 79°S, 180°W - 180°E (Ref. 6181)
Southern Ocean: circumpolar. In the belief that there was only a single species of Paradiplospinus, many authors used the name Paradiplospinus gracilis as including Paradiplospinus antarcticus.
南極海: 極地附近。 那只有一個 Paradiplospinus 的種相信, 以名稱 Paradiplospinusgracilis 作為的許多作家包括 南極副雙棘蛇鯖〔Paradiplospinus antarcticus〕 .
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 52.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 6181); common length : 35.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 6181)
背棘 (總數) : 36 - 39; 背的軟條 (總數) : 24 - 34; 臀棘: 2; 臀鰭軟條: 25 - 31; 脊椎骨: 64 - 67. Body is extremely elongate. Mouth with fang-like teeth, 3-6 fangs anteriorly in upper jaw and 1 fang on each side of the lower jaw. Pyloric caeca 6. Color is silvery white without any conspicuous marks except 40 - 50 narrow longitudinal lines of pale melanophores; the dorsal-fin base, opercular region and caudal-fin origin dark brownish.
Body shape (shape guide): elongated; Cross section: compressed.
身體非常細長。 在下面頜的兩邊上的上頜與 1個尖牙中前面地嘴部具有尖牙狀的齒, 3-6個尖牙。 幽門盲囊 6. 色彩是銀白色沒有任何的顯著標誌除了 40之外 - 灰白黑色素細胞的 50條狹窄縱向線; 背鰭基底,鰓蓋區域與臀鰭起點深褐色的。
Adults and subadults epipelagic to mesopelagic, or mesobenthopelagic at shelves and slopes from surface to 830 m (temp. 0° to 4°C). Larvae and juveniles, probably mesopelagic to bathypelagic, down to 2,830 m depth (Ref. 5084). Feeds on krill, squid and fishes (predominantly myctophids). Larval and juvenile specimens mostly obtained between southern land masses and the Antarctic continent.
成魚與亞成魚表層帶到海洋中層帶的魚種, 或中層大洋底棲性魚種在來自表面到的架與斜坡 830 公尺.(溫度對 4 °C 的 0個 °) 仔魚與稚魚, 可能海洋中層帶到底棲大洋性, 向下至 2,830 公尺深。 (參考文獻 5084) 吃磷蝦,烏賊與魚。 (主要燈籠魚科魚類) 幼蟲與幼年的標本大部份在南方的大陸區塊與南極圈大陸之間獲得。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南極海: 極地附近。 那只有一個 Paradiplospinus 的種相信, 以名稱 Paradiplospinusgracilis 作為的許多作家包括 南極副雙棘蛇鯖〔Paradiplospinus antarcticus〕 .
Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
漁業: 沒有興趣
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00363 (0.00164 - 0.00803), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
4.1 ±0.53 se; based on food items. |
回復力 (參考文獻 120179) |
中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Moderate vulnerability (43 of 100). 🛈 |