SPECIES IDENTIFICATION - GET TO KNOW YOUR FISH!

 
 

FISHING THE FLORIDA GULF WATERS IS SECOND TO NONE!

BLACKFIN TUNA

Blackfin Tuna, Bermuda Tuna, Blackfinned Tuna, Tunny, Blackfinned Albacore

Up for a challenge?  If so, book yourself an Offshore Fishing Excursion targeting the Blackfin Tuna!  These aggressive, hit-and-run fish always guarantee the serious angler a workout and a fun day of fishing!

SCIENTIFIC NAME: Thunnus Atlanticus

IDENTIFICATION

Blackfin Tuna fin diagram

  • Blackfin have football shaped bodies, black backs with only a slight yellow on the finlets but with yellow on the side.
  • Blackfin Tuna are the smaller of the tuna species with a firm, robust body, and small compact scales.
  • Blackfin can be identified from other Tuna by their large eye and pectoral fin that doesn't extend to the second dorsal fin.

LIFE SPAN:  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.

SIZE:  Blackfin Tuna can reach a size of 40" in length and 46lbs in weight, but have an average size of about 19" to 28" and a weight range of 7lbs to 30lbs. 

*Don't let their smaller size fool you!  What they lack in size, they make up for in numbers and their willingness to bite!  

HABITAT

  • Blackfin Tuna are highly migratory fish and can be found in tropical, temperate oceanic waters, sometimes not far from the coast.
  • They are a warmer-water fish, preferring water temperatures over 68°F (20°C).
  • They are found in the western Atlantic from Brazil to Cape Cod, and of course, the Gulf of Mexico.
  • They form large mixed schools with their friends, the Skipjack Tuna.
  • In the Florida Gulf, Blackfin Tuna have an extended spawning season from April to October and from May to September. 

FEEDING HABITS

  • Blackfin hunt both epipelagic (surface) and mesopelagic (deeper water) fish and squid.
  • They also eat crustaceans such as shrimp and crab.

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