Syngnathus acus, Greater pipefish

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Syngnathus acus Linnaeus 1758

Greater pipefish
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Syngnathus acus   AquaMaps   Data sources: GBIF OBIS
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Syngnathus acus
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Actinopteri > Syngnathiformes (Pipefishes and seahorses) > Syngnathidae (Pipefishes and seahorses) > Syngnathinae
Etymology: Syngnathus: Greek, syn, symphysis = grown together + Greek, gnathos = jaw (Ref. 45335).  More on author: Linnaeus.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 海洋; 半咸淡水 居于水底的; 非迁移的 (Ref. 88171); 深度上下限 0 - 110 m (Ref. 4281), usually 3 - 12 m.   亞熱帶的; 71°N - 35°S, 19°W - 42°E

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Eastern Atlantic: Norway, Faroes and British Isles to Western Sahara, Senegambia, and from Namibia to Cape of Good Hope and northward to the coast of Zululand in the western Indian Ocean (Ref. 4127). Also throughout the Mediterranean, Aegean and Black seas. Despite literature records, occurrence in the Indo-Pacific outside South African waters lacks conclusive evidence (Ref. 4281).
東大西洋: 挪威, 法羅與不列顛群島到西撒哈拉, Senegambia, 與從那米比亞到好望角而且向北至在西印度洋的祖魯蘭的海岸.(參考文獻 4127) 也在地中海,愛琴海與黑海各處。 不在乎文獻記錄,發生在印度-太平洋在南非水域之外缺乏決定性的證據。 (參考文獻 4281)

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 7 - 25.6 cm
Max length : 50.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 35388)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 33-42; 臀棘 0; 臀鳍软条: 3. Light greenish to dark brown in color with variable markings (Ref. 4281). Snout cylindrical, equal to or less than eye diameter. With 18 - 19 body rings between head and dorsal fin (Ref. 35388). The snake pipefish (Entelurus aequoreus) is distinguished by the lack of pectoral and anal fins (Ref. 88171). An elongated bump on top of head behind eye (Ref. 59043).
淡的呈绿色到深褐色的颜色有多变的斑纹.(参考文献 4281) 吻圆筒形的, 等于或小于眼直径。 具有 18- 在头部与背鳍之间的 19个体环.(参考文献 35388)

生物学特性     字汇 (例如 epibenthic)

Found in coastal and estuarine waters to depths of at least 110 m (Ref. 4281); on sand, mud and rough bottoms. Common amongst algae and eel-grass (Zostera) (Refs. 4146, 6733, 88187). Feeds mainly on small crustaceans (Ref. 85544).

发现于海岸而河口的水域到深度至少 110 公尺了;(参考文献 4281) 在沙子,泥与粗糙的底部上。 普遍的在藻类当中与鳗草 ( Zostera).(参考文献 6733) 卵胎生的.(参考文献 205) 雄鱼带卵在一个孵卵袋是在尾部下面发现.(参考文献 205)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Ovoviviparous; reproducing on average 3 times each year (Ref. 89328). Several females depositing partial clutches to a male’s brood pouch under the tail (Refs. 205, 31201). Up to 400 eggs may be found in a single pouch (Ref. 89329). Brooding males occur mainly between May and July (Refs. 31201, 58137). During the breeding season, both males and females were observed to remain low amongst the seagrass in one meadow (Ref. 31201). Gestation period lasts about 5 weeks and size at birth is 1.7- 3.5 cm (Refs. 58137, 88187, 89330). Aquarium experiments have shown that new born young are benthic, remaining close to the bottom Ref. 89330).東大西洋: 挪威, 法羅與不列顛群島到西撒哈拉, Senegambia, 與從那米比亞到好望角而且向北至在西印度洋的祖魯蘭的海岸.(參考文獻 4127) 也在地中海,愛琴海與黑海各處。 不在乎文獻記錄,發生在印度-太平洋在南非水域之外缺乏決定性的證據。 (參考文獻 4281)

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Dawson, C.E., 1986. Syngnathidae. p. 628-639. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the North-eastern Atlantic and the Mediterranean. Volume 2. Unesco, Paris. (Ref. 6733)

世界自然保护联盟红皮书 (Ref. 123251)

  最不相关 (LC) ; Date assessed: 07 May 2013

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 没有兴趣
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Estimates based on models

Preferred temperature (Ref. 115969): 10.3 - 22.6, mean 17.7 °C (based on 934 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00026 (0.00020 - 0.00033), b=3.19 (3.13 - 3.25), in cm total length, based on LWR estimates for this species (Ref. 93245).
营养阶层 (Ref. 69278):  3.3   ±0.2 se; based on diet studies.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec=200).
脆弱性 (Ref. 59153):  Low to moderate vulnerability (32 of 100) .