1. plural of bluehead; small tropical marine fish with blue coloring on the head
Usage: marine biology

Examples

• The coral reef was home to several blueheads swimming among the rocks.
• Marine biologists studied the feeding patterns of blueheads in Caribbean waters.
• The aquarium’s tropical fish exhibit featured colorful blueheads.
• Divers often spot blueheads near shallow reefs.
• The blueheads changed color as they matured from yellow to blue.