分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性; pH range: 6.0 - 7.0; dH range: ? - 8. 熱帶; 24°C - 28°C (Ref. 12468)
Africa: occurs from Gambia to Chad basin except the Senegal River basin (Ref. 2936, 86396). Present in Republic of Congo (Ref. 81638), Cameroon and Gabon (Ref. 2936, 81638) and as far south as the Chiloango in Democratic Republic of the Congo (Ref. 94734). In the middle Congo basin, known from the Sangha drainage in Cameroon (Ref. 51193), Sangha and Alima and Republic of Congo (Ref. 42035) and Ubangi in Central African Republic (Ref. 2936, 94734).
非洲: 到查德的甘比亞除塞內加爾河流域。 也在喀麥隆，加彭與中非共和國 (查德與 Oubangui 流域).
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 4.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 7094)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 12 - 15; 臀棘: 0; 臀鰭軟條: 10 - 11. Diagnosis: body depth 2.8-3.8x and head length 1.8-2.2x in SL (Ref. 2936, 86396). 33-35 lateral line scales (Ref. 2936, 81638, 86396). Laterosensory canal on lateral surface of head limited to arch of pores around ventral and posterior margins of orbit and associated with preopercle; 6th infraorbital (dermosphenotic) present, with laterosensory canal segment; infraorbital present at posterior margin of orbit; maxilla with 4 or fewer teeth; maxilla falling short of vertical through anterior margin of orbit; scaly process present at base of pelvic fin; dark pigmentation along lateral surface of body two scales wide or less; dark band on lateral surface of body passing through middle of caudal peduncle; base of caudal fin unpigmented or with rounded spot that falls distinctly short of dorsal and ventral margins of caudal peduncle (Ref. 81638). 12-15 total dorsal fin rays and 10-11 total anal fin rays (Ref. 2936, 81638, 86396).
體高 2.75-3.8 x 與頭長 1.8-2.2 x SL。 尾柄 1.2-1.5 x 長的超過高度地。 圓吻, 比眼更小。 顎的不達到前緣以它的上方角眼睛有 2-3個二頭齒。 脂肪呈現但是通常不存在。 褐色的橄欖色又深色的背面與側邊。 側線深色而細的 (33-35個鱗片) 從吻尖到末端形成一個小的黑色圓斑點的尾柄基底。
Maximum TL was recorded at 5.3 cm (Ref. 7094).
最大體長TL記錄為 5.3 公分。 (參考文獻 7094)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 到查德的甘比亞除塞內加爾河流域。 也在喀麥隆，加彭與中非共和國 (查德與 Oubangui 流域).
Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 7094)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 11 May 2019
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00743 - 0.02338), b=3.12 (2.96 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
