Lagniappe — March 2018

Yellowfin Tuna

Although highly migratory, yellowfin tuna (Thunnus albacares) can be found in the Gulf of Mexico year-round. However, they are most prevalent during summer. They are pelagic and often congregate around thermoclines and structure such as canyons, shelfs, oil rigs and even floating debris. They generally prefer clean, blue water and thus do not come close to shore frequently in Louisiana.

The yellowfin is regarded by many as the most colorful large tuna, but they may be confused with some of the other species that occur in the Gulf. Most large yellowfin have over-extended second dorsal and anal fins that can reach more than halfway to the tail. The pectoral fins of the adults do not extend past the second dorsal as they do in the albacore (T. alalunga). The black edges to their finlets differentiate them from the blackfin tuna (T. atlanticus) and the lack of striations on the ventral surface of the liver differentiate them from the bigeye tuna (T. obesus).

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Recreational Red Snapper Season in State Waters Delayed

It is anticipated that the Louisiana Wildlife and Fisheries Commission will determine and announce the recreational red snapper season dates at its monthly meeting in May.

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Notice of Intent to Amend the Inside/Outside Shrimp Line

The Louisiana Wildlife and Fisheries Commission has approved a Notice of Intent to adjust the inside/outside shrimp line of demarcation. This line is used to separate the “inside” waters of the state from the “outside” waters, which are regulated separately. Generally, “outside” waters are those beyond the beach line.

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More articles in this month’s edition of Lagniappe:

·         Vermilion, East and West Cote Blanche and Atchafalaya Bay Oyster Seed Grounds Closed to Seed Harvest

·         Louisiana Shrimp Watch

·         Fish Gear Coordinates – February

·         Important Dates & Upcoming Events

·         The Gumbo Pot – Crawfish Burgers

View full March 2018 edition of Lagniappe

Past copies of Lagniappe Fisheries newsletter are available online at:

www.seagrantfish.lsu.edu/resources/lagniappe/2018.htm

Be sure to visit the Lagniappe blog for additional news and timely events between issues.

https://louisianalagniappe.wordpress.com/

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