分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Tetraodontiformes (Puffers and filefishes)
魨形目 (Puffers and filefishes) >
Tetraodontidae (Puffers)
四齒魨科 (Puffers) > Tetraodontinae
Etymology: Tetraodon: Greek, tetra = four + Greek, odous = teeth (Ref. 45335).
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水; 半鹹淡水 居於水底的; pH range: 7.0 - ? ; dH range: 10 - ?. 熱帶; 24°C - 26°C (Ref. 2060)
Africa: Nile basin (Ref. 28714, 58460), Chad (Ref. 367, 57417), Senegal, Gambia, Geba, Volta River basins (Ref. 57417). Also found in Lake Turkana in Kenya (Ref. 52331).
非洲: 尼羅河，查德流域，尼日，佛塔河，甘比亞， Geba 與塞內加爾河。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 18.2 range ? - ? cm
Max length : 43.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2829); 最大體重: 1.0 kg (Ref. 3799); 最大年齡: 5 年 (Ref. 126183)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 2 - 3; 背的軟條 (總數): 9-10; 臀棘 2; 臀鰭軟條: 7 - 8. Diagnosis: skin scaleless, but head and body covered with small spines except on snout and caudal region; teeth form beak-like structure consisting in each jaw of two pieces fused on midline and covered by layer of enamel; nostrils consisting of two fleshy lobes placed in front of folded collar surrounding the opening; two pairs of non-perforated nasal tentacles; dorsal and anal fins short and placed far back on body; pectoral fins well developed; no pelvic fins; caudal fin rounded, its length comprised 3 times in SL; longitudinal stripes along sides of body in adults; black-rimmed red ocelli (eyespots) present in juveniles (Ref. 57417).
Found in large rivers (Ref. 2829), open water, weed beds and vegetated fringes; feeds on mollusks (Ref. 28714). Ventral pocket communicates gill chamber with oesophagus, allowing fish to inflate its body like a ball (Ref. 57417).
發現於大河 (參考文獻 2829) ，開放水域，雜草叢與長滿植物的邊緣了。 吃軟體動物 (參考文獻 28714)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 尼羅河，查德流域，尼日，佛塔河，甘比亞， Geba 與塞內加爾河。
Roberts, T.R., 1986. Tetraodontidae. p. 434-436. 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. 2829)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 01 November 2019
人類使用
漁業: 沒有興趣
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02570 (0.01193 - 0.05536), b=2.88 (2.71 - 3.05), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.50 se; based on food items.
Generation time: 4.5 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155): Calcium = 111 [46, 247] mg/100g; Iron = 1.1 [0.5, 2.5] mg/100g; Protein = 17.9 [15.8, 20.2] %; Omega3 = 0.211 [0.092, 0.466] g/100g; Selenium = 61.4 [30.7, 137.9] μg/100g; VitaminA = 11.3 [3.9, 32.6] μg/100g; Zinc = 1.06 [0.73, 1.59] mg/100g (wet weight);
