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Similar to Magur fish(Clarias batrachus)
Magur fish(Clarias batrachus)
- 1. Magur fish English name:Walking Catfish,Clarias Catfish,Freshwater Catfish. Localname:Magur, Mosgur,Mojgor. Scientific name:Clarias batrachus.
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- 3. Biological distribution • Thisis air breathing fish.Here accessory respiratory organ is branched and placed near the gills. • The head of this fish is larger then singhi and mouth is preasent on the ventral side. • Of the eight barbels ,two are much stouter and longer,while the other are similar.
- 4. • Following pairedand impaired fins are present,which differ from the Singhi. • Paired Fins • Pectoral Fin: • Present near the opercular opening,first fin ray is modified into a sharp defensive structure. • Pelvic Fin: • Present on the ventral side and close to the pectoral fin.Supported by soft fin rays.
- 5. • Unpaired Fins: •Dorsal Fin: • Very large, extends along the mid-dorsal line of entire trunk and tail region.Supported by innumerable soft fin rays. • Anal Fin: • Present along the mid-ventral line of the tail region.Numerable soft fin rays are present. • Caudal Fin: • Semicircular and present on the terminal end of the tail region.
- 6. Habits and Habitats •Walking Catfish are benthic,omnivorous.Consume a wide variety of prey, including eggs or larvae of others fish, small fishes and a number of invertebrates. • Found in a wide variety of habitats including lakes, rivers, ponds, canals.
- 7. Advantages of cultureof magur fish • There are more demand of magur in the market and that’s why more profit can be obtained by their culture. • Method of cultured is easy. They can be cultured any types of water body. • They can survive in adverse in environment such as less oxygen high temperature of water, even polluted water.
- 8. • They canbe cultured in less water and with more density. • Less affected by disease and high tolerant. • They can be marked as live condition as they can survive in less water and even in without water. • If earing properly, fishes can be marketed early (6-8 months) • Along earing individual culture, they can also be cultured with carp fish, tilapia fish etc. as mixed cultured.
- 9. Distribution • The WalkingCatfish is a widely distributed speices, known from pakistan, eastern India, Sri Lanka, Bangladesh, Myanmar, Singapore, Indonesia, and the Philippines.
- 10. Economic importance • Clariasbatrachus is a commercially important catfish species of Bangladesh. The fish is delicious and nutritious. Owing to its ability to survive for some time out of water. • Commercial large-scale production of Clarias batrachus can play a vital role in the country’s economy. The fish is important as an ornamental fish and cultured in aquariums. It is a high priced fish because of its exceptional nutritional value.
- 11. Status and conservation •Not considered as threatened in the Red List of IUCN Bangladesh (2000). Because of its ability to withstand marginalized and poor quality water, the fish still exists as a common species. • The Walking Catfish can be sold and traded fresh fish product. The fish has a great reputation for their wholesome qualities.
- 12. • It iscultured in shallow ponds, and the stocking density ranged from 25,000- 1,00,000/ha. Maximum production of 5,043kg/ha obtained from a farm pond of 0.1ha has been reported. • The fish can also be cultured in case, cemented cisterns, paddy fields and sewage waters.
- 13. Remarks • This isa highly variable species in form. The caudal fin occasionally gets fused with the dorsal and anal fins in some abnormal specimens. • The food value of 100g of flesh contains protein 32g, fat 2g, iron 0.7g, calcium 172mg, phosphorus 300mg and water 66.3%.
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