noun
- Plural of blackfin; any of various fish species characterized by dark or black-colored fins, particularly certain sharks and other marine fish.
Usage: Usually used in plural form; Ichthyology/marine biology context
Examples
- The blackfins were spotted near the reef during the research expedition.
- Marine biologists studied the blackfins to understand their migration patterns.
- Several species of blackfins inhabit the Atlantic Ocean.
- The aquarium added blackfins to its shark tank last month.