Common names from other countries
分类 / Names
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Teleostei >
Siluriformes (Catfishes) >
Claroteidae (Claroteid catfishes) > Claroteinae
Etymology: Clarotes: Greek, klarotes, a term for slaves, people with bent necks; in reference to the morphology of the head.
More on author: Rüppell.
Issue
The taxonomic status of the Kenyan populations is uncertain and needs detailed study (Ref. 52331).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; 溯河洄游 (Ref. 51243). 熱帶; 20°C - 26°C (Ref. 2059); 17°N - 3°N
Africa: present in all Nilo-Sudanese basins, including Chad, Benue, Niger, Senegal, and Volta (Ref. 57126). Also in East Africa and Nile basin (Ref. 3236, 28714).
非洲: 尼羅河，尼日，塞內加爾， Benoue 與佛塔河; 也在查德湖。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 28 - ? cm
Max length : 80.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 4967); 最大体重: 10.0 kg (Ref. 3799)
背棘 (总数) : 2; 背的软条 (总数) : 5 - 7; 臀棘: 0. Diagnosis: adipose fin rayed in adults, 1st ray forming a spine (not visible in juveniles); adipose-fin rays becoming visible at sizes of 90-100 mm SL, and the spine at 200 mm; dentition very well developed: premaxillary tooth plate broad (38-45% of head length), palatine dentition consisting of an elongate vomerine plate and of a dermo-palatine plate in young individuals (60-70 mm SL); palatine tooth plates narrow and long with much weaker dentition; nasal barbel long, reaching at least to anterior part of orbit; maxillary barbel very long, exceeding at least the anterior part of dorsal fin and often reaching to adipose fin; caudal-fin lobes marked by a dark band; cranial bones well developed; length of occipital process usually less than 1.4 times its width (Ref. 57126).
脂鳍当成鱼时有一个硬的棘。
Inhabits rivers (Ref 4967). Feeds on crustaceans, insects, mollusks and fish (Ref. 28714).
栖息于河 (参考文献 4967) 。 吃甲壳动物，昆虫，软件动物与鱼。 (参考文献 28714)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: 尼羅河，尼日，塞內加爾， Benoue 與佛塔河; 也在查德湖。
Risch, L.M., 2003. Claroteidae. p. 60-96 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. 57126)
CITES (Ref. 128078)
Not Evaluated
人类利用
渔业: 商业性
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特别资料
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00786 - 0.02658), b=3.04 (2.88 - 3.20), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.43 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (59 of 100).
