You can sponsor this page

Clarias angolensis Steindachner, 1866

Angolian walking catfish
添加你自己的观测位置在 Fish Watcher
Native range | All suitable habitat
This map was computer-generated and has not yet been reviewed.
Clarias angolensis   AquaMaps   Data sources: GBIF OBIS
上传你的 图片 和 影像
Pictures | 谷歌图片
Image of Clarias angolensis (Angolian walking catfish)
Clarias angolensis
Picture by Shandikov, G.A.

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

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Siluriformes (Catfish) > 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: Steindachner.

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

; 淡水 居于水底的; pH range: 7.0 - 9.0; dH range: 15 - 40.   熱帶; 23°C - 28°C (Ref. 2060); 3°N - 5°S

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

Africa: lower and middle Congo River basin including Ubangi and Kasai drainages (Ref. 248). Also reported from the Maiko-Loboya (lower Lualaba)(Ref. 106245). Also present in the lower Ogooué in Gabon, and the Kouilou and Chiloango in Republic of Congo (Ref. 81644).
非洲: 下游及中游的剛果河流域。 貿易在德國限制 (Anl。3 BArtSchV).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3820)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 67-84; 臀鳍软条: 55 - 69. Diagnosis: head length 22.3-27.1% SL (Ref. 101841). Head pointed in dorsal outline; snout slightly rounded; eyes dorsally located (Ref. 248). Interorbital distance 41.4-48.6% HL (Ref. 81644, 101841). Tooth plates relatively small (Ref. 248), width of premaxillary tooth plate 24.3-30.7% HL, and of vomerine tooth plate 20.9-27.5% HL (Ref. 81644, 101841). Maxillary barbel length 105.1-195.3% HL; outer mandibular barbel length 95.0-134.5% HL (Ref. 81644, 101841). Nasal barbel length 72.1-130.2% HL; inner mandibular barbel length 72.4-108.9% HL (Ref. 81644). Frontal fontanelle long and narrow (`knife-shaped'); occipital fontanelle oval- shaped and relatively large; supraorbital and the `dermosphenotic' joined by a common suture in specimens over 70 mm SL; dorsal and anal fin nearly reaching caudal fin, but not confluent; gill rakers long and slender, increasing with age (Ref. 248). Openings of secondary canals along lateral line visible as irregularly placed white spots on the body (Ref. 248, 81644). Pectoral spine strongly serrated on outside and inside (Ref. 81644, 101841). Surface of cleithrum exposed through skin is intermediate; inner angle formed by both paired bones sharp; cleithrum length 13.0-18.6% HL; dorsal fin length 65.1-73.8% SL; distance from dorsal to caudal fin 0.9-2.7% SL (Ref. 101841). 10-23 gill rakers on first arch (Ref. 81644). Colouration: preserved specimens with uniform colouration; dorsum, flanks and dorsal parts of paired fins dark brown, ventrum and ventral parts of paired fins pale brown to grey (Ref. 248, 81644, 101841). Some specimens may show irregular pattern of small white spots on body (Ref. 101841).
头部尖的在背部的轮廓中; 吻略圆的。 眼位于背面。 额骨囱门长而狭窄的;(刀状的') 后头骨囱门椭圆形而相当大的。 那眶上的与那皮蝶骨的' 被一个普遍缝合在超过 70 mm SL 的标本中连结了。 齿碟相当小的。 背鳍与臀鳍几乎延伸到尾鳍, 但是不是汇合。 鳃耙长且细的, 随着年龄增加。 第二感觉管的开口沿着侧线看得见的当不规则地放白色的斑点在身体上了。

生物学特性     字汇 (例如 epibenthic)

Inhabits rivers, lakes and swamps. Feeds on a variety of food like algae, plants, Hydracarina, larvae of Ephemeroptera, Chironomidae, Ceratopogonidae, remains of remains (Coleoptera) and fish remains (Cichlidae, Anabantidae) (Ref. 248). Maximum size reported in Lower Guinea is 317mm TL (Ref. 81644).

栖息于河,湖与沼泽。 吃多种像藻类,植物, 水螅 ,蜉蝣的幼生,摇蚊的食物 , 蠓科昆虫, 残余物 (鞘翅目) 保持,而且鱼保持 (慈鲷科鱼类, Anabantidae) 。 (参考文献 248)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

非洲: 下游及中游的剛果河流域。 貿易在德國限制 (Anl。3 BArtSchV).

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. 120744)

  最不相关 (LC) ; Date assessed: 16 February 2009

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: ; 水族馆: 商业性
FAO(Publication : search) | FishSource |

更多信息

国家
FAO区域
生态系
标本纪录
简介
Stocks
生态学
食性
食物相
食物消耗量
定量
俗名
同种异名
新陈代谢
捕食者
生态毒物学
繁殖
成熟度
产卵场
产卵群集
孕卵数

卵的发育
年龄范围
成长
体长-体重
体长-体长
体长-频率
形态测量图
型态特徵
仔鱼
稚鱼动力学
入添量
丰度
参考文献
养殖
养殖信息
品种
遗传学
基因序列
遗传率
疾病
加工
Mass conversion
合作者
照片
Stamps, Coins Misc.
声音
神经毒
速度
泳型
鳃区
Otoliths
脑重体重比
眼睛色素

工具

特别资料

下载 XML

网络资源

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00340 - 0.01694), b=2.99 (2.81 - 3.17), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.3   ±0.46 se; Based on food items.
回复力 (Ref. 69278):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
脆弱性 (Ref. 59153):  Low to moderate vulnerability (28 of 100) .
价格分类 (Ref. 80766):   Unknown.