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Synodontis njassae Keilhack, 1908

Malawi squeaker
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Synodontis njassae
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分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Siluriformes (Catfishes) 鯰形目 (Catfishes) > Mochokidae (Squeakers or upside-down catfishes) 倒立鯰科 (Squeakers or upside-down catfishes) > Mochokinae
Etymology: Synodontis: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性; pH range: 7.5 - 8.2; dH range: 20 - 30. 熱帶; 20°C - 23°C (Ref. 2060); 8°S - 15°S

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Africa: Lake Malawi.
非洲: 馬拉威湖。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 19.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 3202)

生物學特性     字彙 (例如 epibenthic)

Found among the rocks during the day and moves around the area at night. Feeds on insects, crustaceans and other invertebrates (Ref. 5595). Oviparous (Ref. 205). Because of its bony head, this species is often not marketed in Malawi where it is relatively common and considered a favored food of fishermen. Marketed in Kyela (Ref. 4967).

發現於岩石中了在白天期間與在區域的周圍移動在晚上。 吃昆蟲,甲殼動物與其他的無脊椎動物。 (參考文獻 5595) 卵生的.(參考文獻 205) 由於它的多骨頭部 , 這一個種時常不在馬拉威中在市場上銷售在那裡它是相當普遍的並且被認為是一個漁夫的有利食物。 在 Kyela 中在市場上銷售了。 (參考文獻 4967)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

Oviparous (Ref. 205). Distinct pairing during breeding (Ref. 205).非洲: 馬拉威湖。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Gosse, J.-P., 1986. Mochokidae. p. 105-152. 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. 3202)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 20 June 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

漁業: 低經濟; 水族館: 商業性
FAO - Publication: search | FishSource |

更多資訊

Trophic ecology
食物相
Diet compositions
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捕食者
Ecology
生態學
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Length-weight rel.
Length-length rel.
長度-頻率
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繁殖
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Egg(s)
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仔魚
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參考文獻

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00700 - 0.03427), b=2.88 (2.70 - 3.06), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.1   ±0.26 se; based on food items.
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
價格種類 (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 145 [69, 294] mg/100g; Iron = 1.5 [0.9, 2.6] mg/100g; Protein = 16.3 [15.1, 17.5] %; Omega3 = 0.576 [0.208, 1.638] g/100g; Selenium = 90.3 [36.5, 235.9] μg/100g; VitaminA = 56.8 [20.0, 155.0] μg/100g; Zinc = 2.12 [1.38, 3.06] mg/100g (wet weight);