Synodontis schall (Bloch & Schneider, 1801)
Wahrindi
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Synodontis schall
拍攝者 Geremew, A.
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拍攝者 Geremew, A.
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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).
More on authors: Bloch & Schneider.
Etymology: Synodontis: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335).
More on authors: Bloch & Schneider.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Africa: found practically in all basins of West Africa, except for the coastal basins of Guinea, Sierra Leone and Liberia (Ref. 57223), but including Senegal, Gambia, Volta, Niger and Chad basins (Ref. 3202), and Cross River in Nigeria (Ref. 81251). Also Nile basin downstream of Murchison Falls, including Lake Albert (Ref. 28714, 78218); Lake Turkana (Ref. 52331, 78218); and Ethiopian lakes Abaya and Chew Bahir [= Stephanie] (Ref. 78218). Also reported from Uebi Guiba (Uebi Shebeli) (Ref. 3202). Reports from Athi and Tana rivers are misidentifications probably refering to Synodontis zanzibaricus (Ref. 52331).
非洲: 尼羅河流域， Abaia ，斯蒂芬妮，魯道夫湖, Tana?, Uebi Guiba(Uebi Shebeli) ，查德，尼日，塞內加爾, 佛塔河?。 也已知來自幾內亞，獅子山與賴比瑞亞。 (參考文獻 7362)
非洲: 尼羅河流域， Abaia ，斯蒂芬妮，魯道夫湖, Tana?, Uebi Guiba(Uebi Shebeli) ，查德，尼日，塞內加爾, 佛塔河?。 也已知來自幾內亞，獅子山與賴比瑞亞。 (參考文獻 7362)
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm 19.7, range 12 - 17 cm
Max length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 126422); 最大體重: 584.00 g (Ref. 126422); 最大年齡: 12 年 (Ref. 72479)
Max length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 126422); 最大體重: 584.00 g (Ref. 126422); 最大年齡: 12 年 (Ref. 72479)
簡短描述 檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 1; 背的軟條 (總數) : 6 - 7; 臀棘: 0. Diagnosis: gill slits not extending ventrally beyond pectoral-fin insertions (Ref. 28714, 57223). Body long, its depth 20-29% of SL (Ref. 28714). Post-orbital length at least 60% of snout length (Ref. 57223, 81251). Eye contained 1.75-2.25 times in interorbital width (Ref. 4903). Maxillary barbels longer than head (Ref. 57223, 81251) but not reaching to pelvic fins (Ref. 57223), unbranched and without tubercles (Ref. 57223, 81251) or distinct basal membrane (Ref. 28714, 57223, 81251). Outer mandibular barbels with few, rather short and simple ramifications (Ref. 57223, 81251). Branches of inner mandibular barbels few, short, simple and tuberculate (Ref. 57223, 81251), at least the anterior ones (Ref. 57223). Mandibular teeth moderately developed (Ref. 57223), movable (Ref. 81251), numbering 24-39 (Ref. 57223, 81251). Entire margin of opercle smooth (Ref. 81251). Dorsal- and pectoral-fin spines straight (Ref. 57223). Pectoral spines strongly serrated with twice the number of serrations along anterior edge than posterior edge (Ref. 81251), denticulations weaker on outer than on inner margin (Ref. 4903, 57223). Dorsal spine prolonged by a short filament (Ref. 81251), smooth anteriorly (Ref. 57223, 81251) except for a few apical denticles (Ref. 57223), and few serrations along posterior edge (Ref. 81251). However, large individuals may also have a weak denticulation on lower half of spine (Ref. 57223). Humeral process pointed and granulose, slightly keeled ventrally (Ref. 57223, 81251), its depth contained 1.8-2 times in its length (Ref. 4903), its posterior tip not or just reaching a point beneath the dorsal fin spine (Ref. 28714). Adipose fin well developed (Ref. 57223, 81251), high, rather close to rayed dorsal fin (Ref. 57223), not rayed (Ref. 28714). Body uniformly coloured or spotted body brownish dorsally, whitish ventrally (juveniles with white markings and black spots); caudal fin without single dark patch at base of each fin lobe (Ref. 81251). Maxillary barbels white or beige; outer margins of caudal-fin lobes more or less dark (Ref. 57223).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Adults are omnivores feeding on insect larvae (Ref. 13868) (especially chironomids (Ref. 28714), nymphs, eggs and detritus (Ref. 13868). Also on molluscs Ref. 4903), fish, bivalves in the Sudd and snails in Gezira irrigation canals (Ref. 28714). Oviparous (Ref. 205). Breeding occurs during the flood season (Ref. 28714). Utilized for human consumption. Maximum TL was recorded at 47.0 cm (Ref. 57223).
最大的 SL 在 37.0 公分被記錄。 (參考文獻 7362) 雜食動物, 吃昆蟲的蛹，仔魚，卵與碎屑。 (參考文獻 13868) 在 Gezira 灌溉管的浮游植物堆與蝸牛中也吃魚二枚貝。 卵生的.(參考文獻 205) 在洪水季節的時候繁殖。 (參考文獻 28714) 供人類食用。
最大的 SL 在 37.0 公分被記錄。 (參考文獻 7362) 雜食動物, 吃昆蟲的蛹，仔魚，卵與碎屑。 (參考文獻 13868) 在 Gezira 灌溉管的浮游植物堆與蝸牛中也吃魚二枚貝。 卵生的.(參考文獻 205) 在洪水季節的時候繁殖。 (參考文獻 28714) 供人類食用。
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous (Ref. 205). Distinct pairing during breeding (Ref. 205).非洲: 尼羅河流域， Abaia ，斯蒂芬妮，魯道夫湖, Tana?, Uebi Guiba(Uebi Shebeli) ，查德，尼日，塞內加爾, 佛塔河?。 也已知來自幾內亞，獅子山與賴比瑞亞。 (參考文獻 7362)
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 | 合作者
Paugy, D. and T.R. Roberts, 2003. Mochokidae. p. 195-268 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57223)
CITES
Not Evaluated
對人類具威脅
無害處的
人類使用
漁業: 商業性; 游釣魚種: 是的
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基於模型的估計
|
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.01445 (0.01184 - 0.01765), b=2.91 (2.86 - 2.96), in cm total length, based on LWR estimates for this species (Ref. 93245). |
|
營養階層 (參考文獻 69278) |
2.9 ±0.37 se; based on food items. |
|
回復力 (參考文獻 120179) |
中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.10-0.54; tmax=3; Fec=64,273). |
|
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (20 of 100). 🛈 |
|
價格種類 (Ref. 80766) |
Unknown. |
|
營養素 (Ref. 124155) |
Calcium = 115 [56, 220] mg/100g; Iron = 1.53 [0.87, 2.66] mg/100g; Protein = 16.5 [15.3, 17.7] %; Omega3 = 0.519 [0.186, 1.468] g/100g; Selenium = 122 [48, 309] μg/100g; VitaminA = 28.5 [10.1, 77.5] μg/100g; Zinc = 1.85 [1.22, 2.69] mg/100g (wet weight); |