分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Synbranchiformes (Spiny eels)
合鰓魚目 (Spiny eels) >
Mastacembelidae (Spiny eels)
棘鰍科 (Spiny eels)
Etymology: Mastacembelus: Greek, mastax, -agos = bite + Greek, emballo = to throw oneself (Ref. 45335).
Eponymy: This is a toponym referring to the Sanaga River, Cameroon, where the species is endemic. (Ref. 128868), visit book page.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性. 熱帶
Africa: endemic to the Sanaga River basin in Cameroon (Ref. 6060, 81678).
非洲: 沙那加河流域，喀麥隆。 這種的屬鑑定是試驗性的未決定的標本的有效為解剖的分析。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 24.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 81678)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 24 - 26; 背的軟條 (總數) : 89 - 103; 臀鰭軟條: 80 - 93; 脊椎骨: 86 - 90. Diagnosis: head relatively long, 15.7-21.1% SL (mean 18.2%), decreasing with size; origin of first dorsal spine situated before posterior edge of pectoral fin, (-9.5)-(-0.5)% SL [mean (-6.3%)]; body relatively deep, 7.8-9.6% SL (mean 8.7%); distance from tip of snout to last externally visible dorsal spine 49.0-56.2% SL (mean 52.1%), decreasing with size; origin of soft dorsal fin clearly anterior to origin of soft anal fin; lower jaw length 21.3-26.9% HL (mean 23.9%), increasing with size; distance from gill opening to dorsal pectoral fin base relatively short, 4.3-9.6% HL (mean 6.9%); 23+1 to 25+1 (median 25+1) dorsal spines (Ref. 81678).
Body shape (shape guide): eel-like.
Occurs in slow streams with a sandy bottom (Ref. 6060). Maximum reported total length 252 mm (Ref. 81678).
出現於慢的溪流底部為沙質的地方.(參考文獻 6060)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 沙那加河流域，喀麥隆。 這種的屬鑑定是試驗性的未決定的標本的有效為解剖的分析。
Travers, R.A., G. Eynikel and D.F.E. Thys van den Audenaerde, 1986. Mastacembelidae. p. 415-427. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 6060)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 16 February 2009
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00269 (0.00128 - 0.00564), b=2.94 (2.76 - 3.12), 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): 3.7 ±0.6 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
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