It can be further distinguished from all Asian congeners in having a unique combination of the following characters: 63–74 dorsal-fin rays (vs. 82–108 in C. nigricans, C. Clarias batrachus is distinguished from all Asian congeners in having a narrow snout, in dorsal view with straight lateral outline and convex anteriorly .

Species Clarias brachysoma Walking catfish. Even Clarias batrachus, the 'aquarium friendly' species we occasionally see, will officially reach more than 1m/3.3’ in length.

The final gonadal maturation is associated with rising water levels.

It was thought that they would out-compete native catfish species and spread rapidly.

This hasn’t really been the case, there’s no physical evidence that these catfish are detrimental to native fish species. The head is flat and wide and the body tapers to the tail.

It uses its pectoral-fin spines as anchors to prevent jackknifing as its body musculature produces snakelike movements. Scientific Name: Clarias batrachus. batrachus from Sundaland have been misidentified as Clarias batrachus from Java.
Genus: Clarias Species: C. batrachus. batrachus from Indochina and Clarias aff. Identification of these species in the field is sometimes problematic and there is some doubt on the correctness of their specific identification. Common/local names English: Magur, Walking catfish and Philippine catfish Bangladesh: Magur (মাগুর) and Jiol (জিওল) Clarias batrachus are very strong reproducers and it was a big concern when they were first released. Identification: Walking catfish, which are scale-less, are typically a uniform shade of gray or gray-brown with many small white spots along their sides.

As part ofan overall systematic revision ofthe south-east Asian Clarias species, this paper presents preliminary results of the morphometric analysis of Clarias specimens collected in Vietnam. Normally, the fecundity of Clarias batrachus is 3000 to 4000. It’s also been claimed that a fisherman once caught one weighing 66kg/146lb. Some escaped in North America in … The world despises feral Clarias. Synonyms Clarias assamensis Day, 1877 Clarias punctatus Valenciennes, 1840 Silurus batrachus Linneaeus, 1758. 1. The eggs of Clarias batrachus are demersal, spherical and small in size varying in diameter from1.5-2.00 mm. Introduced elsewhere.

Request PDF | Identification and characterization of SSRs in Clarias batrachus and their application in population study | Magur Clarias batrachus … Ghost Knifefish (Notopterus notopterus) Indochina featherback (Chitala blanci) Spotted Featherback (Chitala chitala) Other Fish Species.

Clarias batrachus (Clarias magur), an Indian catfish species, is endemic to the Indian subcontinent and is distributed in Ganga and Brahmaputra river basins in northern and north-eastern India, Nepal, Bhutan and Bangladesh (Ng and Kottelat, 2008).It has been included in the threatened species list due to reduction in natural population size (Vishwanath, 2011). Clarias gariepinus undertake lateral migrations from the larger water bodies, in which they feed and mature at about the age of 12 months, to temporarily flooded marginal areas in order to breed. Clarias gariepinus has also been introduced into most other countries in Africa, as well as several in Europe, Asia and South America. The pair manifests the 'spawning embrace' which is widely observed in other catfish species (Ref. Introduction.

These reproductive migrations typically take place shortly after the onset of the rainy season(s). Walking catfish, Species (Clarias batrachus) of Asian and African catfish that can progress remarkable distances over dry land. Several countries report adverse ecological impact after introduction. Clarias aff. Barramundi (Lates calcarifer) Climbing perch (Anabas testudineus) Giant Freshwater Stingray (Himantura chaophraya) Giant Gourami (Osphronemus goramy)

Similarly to other species, China has adopted it within its rice-fields and is currently among the main producing countries, even though this species does not appear separately in its production statistics.
33313). J. Paul Grobler, Sinobongo Ndyogolo, James Barasa, Romulus Abila, Hesmari Bindeman, and Andre F.J. Schlemmer "Genetic Identification of Invasive Walking Catfish, Clarias batrachus, Intermingled with African Catfish, C. gariepinus, in South Africa," African Journal of …

The temperature of water suitable for spawning is 26°C to 29°C, pH should be 7.0, Ammonia 0, …