What sensory structures are prominent on the chin of an Arowana?
Answer
Prominent barbels
Arowanas possess a pair of prominent barbels located specifically on their chin. These structures are essential for sensory functions within their natural aquatic environment. While the fish are also recognized for their large, distinctive, bony scales which give them a plated appearance, the barbels serve a distinct sensory role different from the structural protection offered by the scales.
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