分類 / Names
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Teleostei >
Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Congothrissa: Latin, conger = conger + Greek, thrissa, -es = shad (Ref. 45335).
Eponymy: Jean-Pierre Gosse (1924–2001) was a Belgian ichthyologist who was Curator of Vertebrates, Institut Royal des Sciences Naturelles de Belgique. [...] (Ref. 128868), visit book page.
More on author: Poll.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性. 熱帶; 7°N - 2°S
Africa: central part of Congo River system, around Kisangani in Democratic Republic of Congo and also Ubangui River at Bangui and upstream in Central African Republic (Ref. 188, 93833).
非洲: 剛果河流域的中央部份.(在班吉的 Kisangani 區域以及 Ubangui 河的周圍與向上游)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 188)
背棘 (總數) : 0; 背的軟條 (總數) : 14 - 16; 臀棘: 0; 臀鰭軟條: 15 - 17. Diagnosis: Small, fairly slender fishes, depth around 22-24% of standard length; belly rounded, smooth, no trace of scutes before or behind pelvic fins; pelvic scute itself present, however, the tips of its lateral arms bifurcated; jaws about equal, with fine teeth; no second supra-maxilla; lower gillrakers 10 to 12; pelvic fin insertion just behind dorsal fin origin (Ref. 188). Scales large, 20-22 in longitudinal series (Ref. 188, 93833). Congothrissa gossei occurs with other clupeid species, but the smoothly rounded belly, absence of spiny post-pelvic scutes and lack of a second supra-maxilla makes it unmistakable (Ref. 188).
前 而且在腹鰭之後的鱗甲缺乏.(腹鰭鱗甲存在的, 它的側面手臂的頂端分叉) 顎大約相等, 藉由細齒; 沒有第二個上顎骨; 鰓條骨 3 或 4. 鱗片大的。 與其他的 pellonulines 生存在一起，但是平滑圓形的腹面, 缺乏刺狀的在腹鰭之後的鱗甲而且沒有一個第二個上顎骨使它明顯。
A riverine species apparently found in the main stream of the Congo River (Ref. 188). It feeds on small shrimps, mosquito larvae and chironomid larvae (Ref. 188).
一個河棲性魚種顯然地發現於主要的水流了。 吃小的蝦與吃蚊子的幼蟲與寶刀魚。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 剛果河流域的中央部份.(在班吉的 Kisangani 區域以及 Ubangui 河的周圍與向上游)
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
人類使用
漁業: 自給性漁業
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00415 - 0.01826), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.47 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).
