分類 / 名前
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Syngnathiformes (Pipefishes and seahorses) >
Syngnathidae (Pipefishes and seahorses) > Syngnathinae
Etymology: Syngnathus: Greek, syn, symphysis = grown together + Greek, gnathos = jaw (Ref. 45335).
More on author: Girard.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海; 汽水性の 底生の; 深さの範囲 0 - 5 m (Ref. 96339). Subtropical; 61°N - 22°N, 150°W - 109°W
Eastern Pacific: Sitka, Alaska to southern Baja California in Mexico; the northern population ranges from Alaska to Monterey Bay, southern population from Morro Bay southward.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 32.5 cm TL オス/雌雄の選別がない; (Ref. 93899); 38.5 cm TL (female)
Common in eelgrass of bays and estuaries, sometimes taken in shallow offshore waters (Ref. 5316). Feeds on crustaceans (Ref. 6885). Females larger than males (R.C. de Graaf, pers. Comm., 2001; Ref. 93899). Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
A female wraps herself around a male in a rigid vertical S position. Eggs are fertilised in the brood pouch of the male (Ref. 6885).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 商業; 水族館・水槽: 公共の水族館
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
好ましい温度 (参照
123201): 8.3 - 18, mean 10.2 °C (based on 254 cells).
系統多様性指数 (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00026 (0.00013 - 0.00054), b=3.19 (3.02 - 3.36), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.2 ±0.40 se; based on food items.
回復力 (参照
120179): 高い, １５か月以下の倍増期間の最小個体群 (tmax=2;).
漁業の脆弱性 (Ref.
59153): Low to moderate vulnerability (29 of 100).
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