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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
OFFSHORE- Another week of scattered sailfish action; with boats trolling up to the north picking away at a few sails and the live baiters gettin (
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Key West fishing report for January 28 2026 is a chilly one. The Florida Keys in Key West are experiencing one of the coldest winters since 201 (
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OFFSHORE- Sailfish action picked up a bit this week from Palm Beach to Jupiter Inlet. No huge release numbers; but most boats putting the time i (
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OFFSHORE- Tough fishing offshore this week with very few reports. The general hope is that the cold front passing through Thursday gets the sail (
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Although uncommon during the early part of the year Blackfin Tuna Sailfish Tarpon and White Marlin come in close to shore during late August an (
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Dec. 2 - 12/3/2025 12:39:00 PM
Lots of yellowtail snapper some nice blackfin tuna and kingfish on the Fearless! Call or text Capt. Joe 786-295-2162 (
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Offshore fishing in Tampa Bay is constantly firing off. This time of year, we're winding down our Red snapper season and getting more focu (
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OFFSHORE- Sailfish action has been decent this week. Not peak looking conditions for the sailfish headed into the weekend but some live baits un (
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Nov. 8 - 11/9/2025 12:50:00 PM
Some nice blackfin tuna on the Fearless!!! Call or text Capt. Joe 786-295-2162 (
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August 30 - 9/1/2025 1:16:00 PM
Some nice #blackfin #tuna on the #fearless (
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