Saltwater · Late spring through fall; big runs May to July
Gafftopsail Catfish
Bagre marinus
The handsomest Gulf sea catfish, named for the long streaming filaments that trail from its tall dorsal and pectoral fins like a gaff topsail. It runs in schools through bays and passes in late spring, fights well and eats better than its hardhead cousin — but it carries the same serrated, slime-coated spines, so handle it with the same care.
Seasons · Peak
Identifying features
- Long streaming filaments extending the tall dorsal fin and both pectoral fins — the 'gafftopsail', unique among Gulf catfish
- Iridescent blue-purple to silvery sheen over a scaleless body
- Deeply forked tail and long, well-developed whiskers
- Serrated dorsal and pectoral spines covered in thick slime — handle with care
- Bigger and sleeker than the hardhead, commonly several pounds
Habits
- Moves into bays, passes and nearshore waters in late spring runs
- Bottom and mid-water feeder on shrimp, crabs, menhaden and cut bait
- Males mouthbrood the eggs in summer, like the hardhead
- Thick slime coat — a towel grip helps, but keep hands clear of the spines
- Schools follow bait and current lines through passes and channels
Distribution
Where to find them
- Gulf passes and ship channels in Louisiana and Texas
- Florida Panhandle and Gulf piers and jetties in late spring
- Nearshore reefs, wrecks and bay holes along the northern Gulf
Where they live
How to catch them
Bottom baits in bays, passes and nearshore Gulf Shore
Rig: Medium spinning or conventional rod, Carolina rig or two-hook bottom rig with 3/0-5/0 circle hooks and cut mullet or shrimp, fished on channel edges and passes during the late-spring runs
Bait/lure: Cut mullet, shrimp
Key tip: Fish moving water on the run — a school passing a pass or channel edge gives fast, repeated hook-ups.
Pier and surf bottom fishing with cut bait Shore
Rig: Medium surf or pier rod, pyramid sinker and a cut-bait chunk on a circle hook, cast into troughs and beyond the first bar
Bait/lure: Cut bait, squid
Key tip: Fresh cut bait out-fishes frozen; change baits often and keep a towel and pliers ready for the slime and spines.
Best baits & lures
Baseline setup
- Rod: Medium 7-8 ft spinning rod
- Line: 15-25 lb mono or braid
- Terminal: 3/0-5/0 circle hooks, pyramid and egg sinkers, pliers and a towel
Recommended gear for this species
Rod · Best value
9' 5-weight fly rod outfit
≈ US$180-260
Covers chironomid lakes and small rivers with one setup.
Flies · Budget
Chironomid assortment (30 patterns)
≈ US$25-40
Chironomids are 60% of a lake rainbow's diet in spring.
Picks come from our rule library — never paid placements. Prices are guides; affiliate links may earn us a commission.
Typical size
Common 2-4 lb (0.9-1.8 kg), 14-20 in; large fish to about 9 lb (4.1 kg) and 28 in
On the table
Good — firm white flesh, the best-eating Gulf sea catfish; trim carefully and mind the spines and slime when cleaning.
Similar species
Regulations vary by area and can change in-season — always check the official rules for your area before you fish. Regulations guide →
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