Last Updated
：2025/11/22
gill raker
（ plural ）
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(ichthyology) A bony, finger-like projection of the gill arch filaments of fish, used for food retention in some species.
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gill raker
The biologist examined the specimen's gill raker under a microscope to study its food-retention adaptations.
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The biologist examined the specimen's gill raker under a microscope to study its food-retention adaptations.
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