You can sponsor this page

Clarias jaensis Boulenger, 1909

上传你的 图片 和 影像
Pictures | 谷歌图片
Image of Clarias jaensis
Clarias jaensis
Picture by RMCA


Cameroon country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Present in the Sanaga (Ref. 248, 27690, 51193, 81644), Ntem (Ref. 248, 27928, 81644), Nyong, Kienké/Kribi (Ref. 248, 81644), Lobé (Ref. 81644) and the middle Congo River basin tributaries Dja and Sangha (Ref. 248).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cm.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Teugels, G.G., D. Adriaens, S. Devaere and T. Musschoot, 2007
National Database:

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Siluriformes (Catfishes) > Clariidae (Airbreathing catfishes)
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.
  More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 居于水底的.   熱帶; 9°N - 1°S

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Africa: Cross (Nigeria), Sanaga, Nyong, Lobe and Kribi (Cameroon), the Ntem (Cameroon and Gabon), Mbini/Woleu (Gabon and Equatorial Guinea), Komo (Gabon) (Ref. 81644) and the Ogowe (Gabon and Republic of Congo)(Ref. 248, 92841). Also in the middle Congo River basin in the rivers Ja (Dja) and Sangha (Ref. 248, 92841). In southeast Nigeria known from the Osse, Niger delta and Cross (Ref. 57129).
非洲: 在加彭的奧克維河; 在喀麥隆與奈及利亞東南部的沙那加河, Nyong , Kribi , Ntem , Ja(Dja) 與 Sangha 河。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 48.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 57129)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 0; 背的软条 (总数) : 70 - 86; 臀鳍软条: 54 - 71; 脊椎骨: 58 - 65. Diagnosis: head relatively long (Ref. 248, 57129) and flattened, its length 24.8-28.6% SL (mean 26.2)(Ref. 57129, 81644). Frontal fontanel short and wide (Ref. 57129, 81644), "sole-shaped" (Ref. 248), 1.5 times as long as wide (Ref. 81644). Lateral cephalic bones (dermosphenotic and supraorbital) becoming contiguous already in young individuals (between 70 and 80 mm SL)(Ref. 248, 57129, 81644). First gill arch with 11-19 gill rakers (Ref. 57129, 81644). Color pattern usually uniform, occasionally a marbled pattern consisting of various dark brown spots on a light-brown background; head broad and pointed in dorsal outline; tooth plates broad; suprabranchial organ well developed although not completely filling the chamber (Ref. 248). Vomerine tooth band a little less short than premaxillary tooth band; pectoral spine serrate only along anterior margin; flank neuromasts arranged in a regular pattern (Ref. 81644). Coloration: no information on colour in life (Ref. 57129, 81644). Most preserved specimens uniformly coloured: back and sides light to dark brown, belly beige-white; some specimens have a marbled pattern, with numerous black spots against a lighter background on back and sides, while the belly is beige to yellowish (Ref. 57129, 81644).
彩色斑纹通常均匀的; 偶然地包含在淡褐色背景上的各种不同的深褐色的斑点的一个大理石花纹的图案。 头部长的,宽的与尖的在背部的轮廓中。 那皮蝶骨的与上眼窝骨在一个个体发生的早阶段中合并在一起。 额骨囱门唯一的-形状的'. 齿板宽的。 鳃前的器官发展良好的虽然不完全地填充腔室。

生物学特性     字汇 (例如 epibenthic)

Facultative air-breathing (Ref. 126274); Ecology, food and breeding: unknown (Ref. 248).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

非洲: 在加彭的奧克維河; 在喀麥隆與奈及利亞東南部的沙那加河, Nyong , Kribi , Ntem , Ja(Dja) 與 Sangha 河。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Teugels, G.G., 1986. A systematic revision of the African species of the genus Clarias (Pisces; Clariidae). Ann. Mus. R. Afr. Centr., Sci. Zool., 247:199 p. (Ref. 248)

世界自然保护联盟红皮书 (Ref. 130435)

  最不相关 (LC) ; Date assessed: 20 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业:
FAO(Publication : search) | FishSource |

更多信息

Trophic ecology
食物相
Diet compositions
Food consumptions
Food rations
捕食者
Ecology
生态学
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
体长-频率
Mass conversions
Recruitments
Abundances
Life cycle
繁殖
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
仔鱼
稚鱼动力学
Distribution
国家
FAO区域
生态系
标本纪录
简介
BRUVS - Videos
Anatomy
Gill areas
脑重体重比
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
游泳类型
Swimming speeds
Visual pigment(s)
鱼的声音
Diseases / Parasites
Toxicities (LC50s)
Genetics
遗传学
Electrophoreses
Heritabilities
Human related
Aquaculture systems
水产养殖描述
品种
Ciguatera cases
Stamps, coins, misc.
Outreach
合作者
Taxonomy
俗名
同种异名
型态特徵
形态测量图
照片
References
参考文献

工具

特别资料

下载 XML

网络资源

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00343 - 0.01757), b=2.97 (2.79 - 3.15), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.5   ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec < 10,000).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (38 of 100).
价格分类 (Ref. 80766):   Unknown.