Lacking a fluke or flukes; not having fluke-shaped appendages or structures.
From 'fluke' plus '-less' (suffix meaning without or lacking). A descriptive term used in zoology or marine biology.
A flukeless whale would be incredibly disabled in the water—the flukes aren't just for steering, they're the primary propulsion system. Some fish that have lost tails through injury develop surprisingly effective swimming styles by moving their whole body.
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