According to FishBase data, how many spines does the anal fin typically possess?
Answer
3 spines.
Specific counts of fin rays and spines, known as meristics, are critical for definitive ichthyological identification, often serving to differentiate closely related species within the same genus. Detailed data, specifically cited from FishBase references, confirms that the anal fin of *Chaetodon daedalma* typically contains 3 spines. This technical detail, alongside the count for the dorsal fin (which usually possesses 12 spines and 22 to 23 soft rays), confirms its placement within the genus structure and confirms its unique identity relative to other *Chaetodon* species.
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