What structural feature defines the Class Actinopterygii for Wolffish?
Answer
Fins supported by bony spines or rays
The Class Actinopterygii, often referred to as ray-finned fishes, is characterized by having their fins supported by internal bony spines or rays. This anatomical structure differentiates them from the Sarcopterygii (lobe-finned fishes), whose fins are characterized by fleshy, lobe-like structures. The ray support dictates the maneuverability of the Wolffish on the seabed, which is essential for its role as a benthic hunter navigating rocky or soft substrates.
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