What is the primary function of the labyrinthine accessory breathing organ in Clarias batrachus?
Answer
To breathe atmospheric air when water quality is poor
The labyrinthine structure referred to as the accessory breathing organ in the walking catfish serves a critical respiratory function, especially when inhabiting challenging aquatic environments where oxygen levels may be depleted. This organ allows the fish to gulp and utilize atmospheric air. Although this adaptation is vital for survival during periods of poor water quality or low water levels, it is strictly a respiratory mechanism and is not directly involved in the mechanical process of ingesting food, which occurs entirely through the mouth.
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