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Hand sorting of African catfish, Clarias gariepinus – Video

Credit for the video: El-Sadig Hagar (Sudan)   Description: Abdel Rahman El Gamal

This video shows a hand grading process of African catfish, Clarias gariepinus.  We notice the ability of fish to move (walk) using its pectoral fins. This particular video was taken during the sorting of African catfish to be used in a predation study for catfish on tilapia fry. taken during the sorting of African catfish to be used in a predation study for catfish on tilapia fry. It may worth mentioning that the use of graders in sorting of African catfish will be much better and less stressful than hand sexing. The video shows the movement of catfish which explains why “walking catfish” is among the common names of the species.

 

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