Definition

Noun 1. A type of fish characterized by having extremely long, thread-like front rays on its dorsal and anal fins. These elongated rays are a distinctive physical feature.

Usage Notes

• "Thread-fish" is a compound noun used as a common name for specific fish species, primarily within the family Carangidae (jacks and pompanos).
• It is typically used in ichthyology (the study of fish), fishing contexts, and marine biology.
• The term is often seen in its hyphenated form, but the unhyphenated "threadfish" is also common.

Examples

• The angler was excited to catch a thread-fish because of its unique appearance.
• Marine biologists studied the swimming behavior of the thread-fish.
• A distinguishing feature of the thread-fish is the filamentous extension on its fins.

Advanced Usage

• The term can be used descriptively in scientific observations: "The specimen was identified by its thread-fish morphology."

Variants and Related Words

• Threadfish (noun): An alternative spelling without the hyphen, with the same meaning.
• Threadfin (noun): A related but broader term for any fish with elongated, thread-like fin rays, not limited to the dorsal and anal fins. A thread-fish is a type of threadfin.
• Filamentous (adjective): Having a thin, thread-like shape; can describe the fins of a thread-fish.

Synonyms

• Threadfin (in a general sense)
• Filament-finned fish (descriptive synonym)

Different Meanings

• The term "thread-fish" does not have other common, distinct meanings outside of its zoological definition. It refers specifically to the fish with the described physical characteristic.

Noun

1. fish having greatly elongated front rays on dorsal and anal fins