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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
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Spring deep sea fishing in Fort Lauderdale is heating up and now’s the perfect time to get out on the water! The mahi-mahi bite has been strong (
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OFFSHORE- Good fishing continued offshore this week. Dolphin fishing has been very good with a lot of fish around. Best depth seems to be 800-10 (
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5/6/30 - 5/7/2025 1:26:46 PM
Body: Lots of bluefish hitting the docks on Tuesday along with sheepshead and drum. A few grey trout in the mix and we had reports of a couple (
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5/7 - 5/8/2025 3:51:41 PM
Body: Great catches of bluefish sheepshead and red drum for inshore boats! A few spanish mackerel in the mix and reports of undersized cobia r (
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5/8 - 5/8/2025 5:44:12 PM
Body: Great fishing on Thursday! Lots of sheepshead and bluefish both still on the larger side making for abundant take-home catches some Span (
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5/9-5/13 - 9/5/2013 4:33:00 PM
Body: Some great fishing over the weekend but the early part of this week has slowed down due to weather. Nice catches of dolphin blackfin tun (
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OFFSHORE- Dolphin reports lowed a bit this week; but still a fair number of them scattered around. No hot depth on the dolphin instead it seemed (
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April was nothing short of a spectacular springtime fishing season here in Fort Lauderdale. The month was marked by a flurry of incredible catc (
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