The biologist measured the growth rates of juvenile fish by examining their caudal fins under a microscope.

The researchers photographed the dorsal fins of every shark to identify individuals.

The young catfish fanned its abdominal fins to maintain balance while hovering above the riverbed.

She packed her swim fins and snorkel before heading to the reef.

The shark-finned speedboat cut through the morning mist as if prowling the surface.

The divers compared the Hoxton fins to other models before deciding which to buy.

Local laws prohibit selling shark-fins, but enforcement remains inconsistent.

The market offered a variety of finned fish, each displayed on crushed ice with handwritten labels.

Researchers examined the anal fins of several reef fish to determine sexual dimorphism.

The gallery's new exhibit juxtaposes contemporary works with recovered fins de siècle paintings to explore changing attitudes toward decadence.