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Related to threadfins: Polynemidae


n. pl. threadfin or thread·fins
Any of various chiefly tropical marine fishes of the family Polynemidae, having threadlike rays extending from the lower part of the pectoral fin.


n, pl -fin or -fins
(Animals) any spiny-finned tropical marine fish of the family Polynemidae, having pectoral fins consisting partly of long threadlike rays



any spiny-rayed fish of the family Polynemidae, having the lower part of the pectoral fin terminating in threadlike rays.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.threadfin - mullet-like tropical marine fishes having pectoral fins with long threadlike raysthreadfin - mullet-like tropical marine fishes having pectoral fins with long threadlike rays
percoid, percoid fish, percoidean - any of numerous spiny-finned fishes of the order Perciformes
barbu, Polydactylus virginicus - found along western Atlantic coast
References in periodicals archive ?
Docks all along the ICW from Venice to Punta Rassa are good places to freeline small mullet or big threadfins.
If you find tarpon mid-harbor they're likely to be focused on large threadfins, while the fish nearer the river mouths will probably be eating ladyfish.
If no rolling fish are in evidence then try around schools of threadfins or anyplace you can find ladyfish busting bait in at least ten feet of water.
Threadfins get bit here too, but small live ladyfish or mullet are usually better baits under the lights.
About mid-morning the threadfins go deeper and usually are replaced by glass minnows that bring in Spanish mackerel and false albacore.
Farther offshore anglers can catch larger baits like pilchards or threadfins on gold hook rigs, especially along tidelines.
King mackerel, permit, 'cudas, sharks, goliath grouper and mangrove snapper can be found on manmade sites in as little as 25 feet of water, with really hot action in depths of 40 to 50 feet where a baitwell stocked with threadfins, crabs and live shrimp almost guarantees a good time, especially if a chum block is hanging.
You can't really fish threadfins during the later months because the catfish have gotten so bad.
Also, threadfins have belly bones so that's a more secure place to hook the bait.