noun
- plural of threadfin; marine fish with long, thread-like fin rays extending from their pectoral fins
Usage: ichthyology
Examples
- The threadfins swam gracefully through the coral reef.
- Commercial fishermen often catch threadfins in tropical waters.
- Threadfins are prized for their delicate white meat.
- The aquarium’s threadfins displayed their characteristic long fin rays.
- Several species of threadfins inhabit the Indo-Pacific region.
- Threadfins use their sensitive fin rays to detect prey in murky water.