Synbranchus marmoratus Bloch, 1795
Marbled swamp eel
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> Synbranchiformes (Spiny eels) > Synbranchidae (Swamp-eels)
Etymology: Synbranchus: Greek, syn, symphysis = grown together + Greek, brangchia = gill (Ref. 45335).
More on author: Bloch.
Etymology: Synbranchus: Greek, syn, symphysis = grown together + Greek, brangchia = gill (Ref. 45335).
More on author: Bloch.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
Central and South America: Mexico to northern Argentina.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 150 cm TL オス/雌雄の選別がない; (Ref. 79717); common length : 50.0 cm TL オス/雌雄の選別がない; (Ref. 35237)
Max length : 150 cm TL オス/雌雄の選別がない; (Ref. 79717); common length : 50.0 cm TL オス/雌雄の選別がない; (Ref. 35237)
簡単な記述 検索表 | 形態学 | 形態計測学
Body cylindrical and long; eyes small; dorsal and anal fins vestigial (Ref. 26543).
Body shape (shape guide): eel-like.
Body shape (shape guide): eel-like.
Facultative air-breathing (Ref. 126274); Anguilliform, has no pectoral and ventral fins; its dorsal and anal fins are vestigial (Ref. 27188). Adults inhabit streams, ponds, canals, drains, rice fields, both clear and turbid water (Ref. 11225). Nocturnal (Ref. 11225). Carnivore (Ref. 26543). The male guards and builds nest or burrow (Ref. 205). A protogynous hermaphrodite (Ref. 55367). Its being a facultative air-breather (Ref. 1468) explains, at least in part, why it is often missing from faunal inventories. At the start of the dry season when there's a decline in water level, it digs a tubular burrow in a bank or on the bottom. This burrow, which is for the most part sub-horizontal , can have several diverticula, followed by a vertical section which leads to the exterior by only one opening. Although breathing is slowed down, the fish remains active and flees if it is disturbed (Ref. 27188).
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 diandric species having both primary and secondary male developmental pathways. Length at sex change = 34.0 cm TL (Ref. 55367). Also Ref. 35344, 103751.
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター : Fávorito, Sandra | 協力者
Kullander, S.O., 2003. Family Synbranchidae (Swamp-eels). p. 594-595. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 79717)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
水産業: 商業; 水族館・水槽: 公共の水族館
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モデルに基づく推定値
|
系統多様性指数 (参照 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00091 (0.00058 - 0.00145), b=3.08 (2.94 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
|
栄養段階 (参照 69278) |
2.8 ±0.51 se; based on food items. |
|
回復力 (参照 120179) |
非常に低い, １４年以上の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
|
漁業の脆弱性 (Ref. 59153) |
Very high vulnerability (83 of 100). 🛈 |
|
価格帯 (Ref. 80766) |
Unknown. |
|
栄養素 (Ref. 124155) |
Calcium = 61.2 [27.2, 179.0] mg/100g; Iron = 1.04 [0.48, 2.53] mg/100g; Protein = 18.6 [16.4, 20.6] %; Omega3 = 0.137 [0.065, 0.296] g/100g; Selenium = 18.4 [7.0, 49.4] μg/100g; VitaminA = 10.4 [2.5, 42.9] μg/100g; Zinc = 0.889 [0.522, 1.479] mg/100g (wet weight); |