pelvic fin
noun
: one of the paired fins of a fish that are homologous with the hind limbs of a quadruped
Examples of pelvic fin in a Sentence
Recent Examples on the Web
Hook-like projections on their pectoral and pelvic fins function like Velcro, enabling them to grip slippery rock surfaces even under strong water current.
—
Samantha Agate, Charlotte Observer, 9 Apr. 2026
The Secret to Climbing Is in the Fins The fish possess hook-like projections on their pectoral and pelvic fins that function like Velcro, enabling them to grip slippery rock surfaces under strong water currents.
—Samantha Agate, Miami Herald, 9 Apr. 2026
To achieve their audacious goals, the fish use hook-like growths on the undersides of both their pectoral and pelvic fins to push themselves upward.
—Andrew Paul, Popular Science, 2 Apr. 2026
Claspers are modified pelvic fins capable of transferring sperm.
—Jennifer Ouellette, ArsTechnica, 23 Sep. 2025
For instance, the Chilean sharks had longer heads and smaller pelvic fins relative to their total body length.
—Melissa Cristina Márquez, Forbes.com, 19 Apr. 2025
These remarkable animals can use their pectoral and pelvic fins to shuffle across tidal flats and coral reefs exposed during low tides.
—Scott Travers, Forbes, 8 Jan. 2025
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Samantha Agate, Charlotte Observer, 9 Apr. 2026
The Secret to Climbing Is in the Fins The fish possess hook-like projections on their pectoral and pelvic fins that function like Velcro, enabling them to grip slippery rock surfaces under strong water currents.
—Samantha Agate, Miami Herald, 9 Apr. 2026
To achieve their audacious goals, the fish use hook-like growths on the undersides of both their pectoral and pelvic fins to push themselves upward.
—Andrew Paul, Popular Science, 2 Apr. 2026
Claspers are modified pelvic fins capable of transferring sperm.
—Jennifer Ouellette, ArsTechnica, 23 Sep. 2025
For instance, the Chilean sharks had longer heads and smaller pelvic fins relative to their total body length.
—Melissa Cristina Márquez, Forbes.com, 19 Apr. 2025
These remarkable animals can use their pectoral and pelvic fins to shuffle across tidal flats and coral reefs exposed during low tides.
—Scott Travers, Forbes, 8 Jan. 2025
Cite this Entry
“Pelvic fin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pelvic%20fin. Accessed 21 Apr. 2026.
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