Where is the yellow pigmentation most intense and serves as the species' namesake feature?
Answer
The caudal fin (tail)
The most defining aesthetic feature of the species, which directly results in its common name, is the pigmentation of its tail. This caudal fin is described as being bright yellow, representing a strong contrast against the generally silvery or pale body color. While other fins, such as the pectoral, pelvic, and anal fins, often share some yellowish pigmentation, the intensity and prominence of the color on the tail make it the namesake feature, especially when combined with its deeply forked structure.
Related Questions
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