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Blackfin Tuna
Species Information
| Scientific Name: | Thunnus atlanticus |
| Common Names: | blackfin, Bermuda tuna, blackfinned albacore, blackfin tuna, black fin |
| Environment: | Offshore |
| Ideal Temp: | >= 68°F (20°C) |
About Blackfin Tuna
Blackfin tuna is the smallest tuna species in the Thunnus genus, generally growing to a maximum of 100 centimetres (39 in) in length and weighing 21 kg (46 lbs). Blackfin have oval shaped bodies, black backs with a slight yellow on the finlets, and have yellow on the sides of their body.
Blackfin are only found in the western Atlantic from Cape Cod to Brazil.
These tuna do not consume as much fish in their diet as other tunas, and will eat the tiny larvae of stomatopods (king shrimp or mantis shrimp), true shrimp, and crabs, as well as small fish. They do, of course, also eat juvenile and adult fish and squid. They are a short-lived, fast-growing species; a 5 year old fish would be considered old. They reach sexual maturity at two years old, and spawn in the open sea during the summer.
Blackfin tuna are a warmer-water fish, preferring water temperatures over 68°F (20°C). What they lack in size, they make up for in numbers and willingness to bite. There are scattered records of blackfin tuna occurring as far north as Martha's Vineyard, Massachusetts, but the usual range is from North Carolina to Rio de Janeiro, Brazil, including the Caribbean Sea and the Gulf of Mexico.
Blackfin Tuna Fishing
| World Record: | 22.39 kg (49 lb 6 oz) Marathon, Florida , USA |
| # Fish Caught: | 137288 documented in database. |
| Earliest Record: | 4/26/1933 12:00:00 AM and located at 19.45000, -80.69200. |
| Latest Record: | 4/3/2025 12:59:37 PM and located at 26.86383, -80.05500. |
| Common Techniques: | Casting, Chunking, Fly, Jigging, Trolling |
| Popular Lure Types: | Flies, Jigs, Plugs, Spoons, Topwater, Trolling |
| Fishing Spots: | 1386 Blackfin Tuna fishing spots. |
Latest Blackfin Tuna Fishing Reports and Spots
August 17 - 8/18/2025 10:52:00 AM
Some nice #mahi and #blackfin #tuna on the the #fearless CALL OR TEXT CAPT. JOE 786-295-2162 (
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This week has been an exceptional one for fishing in Fort Lauderdale with some of the best catches we’ve seen in recent memory. The reef trolli (
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August 18 - 8/19/2025 7:57:00 PM
Fresh blackfin tuna for dinner #fearless (
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I’m behind with posting photos but had some great trips with catches of Dolphin(Mahi Mahi) and Blackfin Tuna. (
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What a fantastic month of fishing we had in June! The Blackfin Tuna bite has been hot with plenty of large fish hitting the deck. Wahoo are sta (
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July in Puerto Vallarta marks the explosive heart of offshore fishing season! The warm Pacific waters are teeming with giants, making this pri (
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Larry and the boys from Williamsburg on board today. We went looking way offshore for grass and dolphins. We found very little grass and no dolp (
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6/24 & 6/25 - 6/26/2025 9:08:58 AM
Body: Fishing picked up a little on Tuesday for offshore boats. Some nice mahi and blackfin tuna hitting the docks plus a sailfish. Inshore bo (
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6/17-6/19 - 6/20/2025 7:12:58 AM
Body: Some nice red drum bluefish and Spanish mackerel catches lately on inshore boats plus a few speckled trout releases. Offshore boats are (
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6/20-6/23 - 6/24/2025 8:47:09 AM
Body: Offshore boats are really having to work for it over the past few days but managing some decent catches of dolphin and blackfin tuna. In (
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