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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
Body: We’re seeing some great fishing as the season kicks off both inshore and offshore! Offshore boats are getting a mix of blackfin yellowf (
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OFFSHORE- Decent mixed bag spring action continued offshore this week. Dolphin fishing remains good with fish scattered across a wide range of w (
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Key West fishing report has anglers choosing their pleasure here in Key West April fishing. Be it deep sea fishing for blackfin tunas sail fish (
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Hello! Todd is fishing up north in a Redfish Tournament so we have taken over this week's fishing report. So let's get started!OFFSHORE- Fishing (
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OFFSHORE- Fishing has been good offshore this week with good springtime variety around. Dolphin fishing has been strong with catches coming prim (
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GIRLS ON SPRING BREAK CATCH WAHOO TUNA AND MAHI. Springtime … (
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Greetings from the crew aboard Marlin My Darlin! February has proven to be an exceptional month for fishing in Fort Lauderdale thanks to favora (
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The fishing is really good considering the heat index is 110 every day and the business side is slow. Flamingo Snook bite continues to be fun! (
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November has been one for the record books here aboard the Marlin My Darlin. The month delivered exceptional charter fishing experiences b (
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