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Saltwater · Year-round in Florida and the Caribbean; schools move inshore in warm months

Southern Sennet

Sphyraena borealis

A small, schooling barracuda relative of Florida and Caribbean inshore water, forever in motion over mud and reef. Taxonomy note: the fish long called southern sennet (Sphyraena picudilla) is treated by Catalog of Fishes as the same species as the northern sennet, Sphyraena borealis.

Seasons · Peak

Jan
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Southern Sennet
AI-generated image

Identifying features

  • Small, slender pike-like body, silvery with a faint yellowish tail tint
  • Large fang-toothed jaws for its size, but a fraction of a great barracuda's bulk
  • Forms dense surface schools — behaviour unlike the solitary great barracuda
  • Juveniles in seagrass; adults over mud and reef at 1-65 m
  • Maximum about 61 cm and 1.1 kg in the southern (picudilla) literature

Habits

  • Often occurs in large schools, sometimes right at the surface
  • More abundant over muddy bottoms, also on rocky and coral reefs
  • Juveniles are encountered in seagrass beds
  • Feeds on small fish and crustaceans; marketed fresh and frozen locally

Distribution

Tampa, FL · Florida★ Primary
Florida Keys, FL · Florida★ Primary
Yucatán Peninsula · Quintana Roo & Yucatán★ Primary
Belize City & the Cayes · Belize★ Primary
Bay Islands & North Coast, Honduras · Honduras★ Primary
Havana & the Northern Cays, Cuba · Cuba★ Primary
Andros & the Bahamas · The Bahamas★ Primary
Punta Cana & the North Coast, Dominican Republic · Dominican Republic★ Primary
San Juan & the Island Coast, Puerto Rico · Puerto Rico★ Primary
Galveston, TX · TexasCommon
Venice, LA · Louisiana & Gulf ShoreCommon
Emerald Coast, FL · FloridaCommon
Daytona Beach, FL · FloridaCommon
Veracruz & the Campeche Gulf Coast · Veracruz, Tabasco & CampecheCommon
Caribbean Coast, Costa Rica · Costa RicaCommon
Panama — Pacific, Canal & Caribbean · PanamaCommon
Charleston, SC · North & South CarolinaOccasional

Where to find them

  • Inshore muddy flats and channels in Florida and the Caribbean
  • Over reef edges where schools hold near the surface
  • Seagrass edges and bay mouths

Where they live

Coastal waters over muddy bottomsRocky and coral reefsSeagrass beds (juveniles)

How to catch them

Casting small lures to surface schools Boat

Rig: Light spinning outfit, small spoon or jig on a light bite leader

Bait/lure: Small metal spoons and jigs

Key tip: Cast ahead of travelling schools and retrieve fast; sennet strike in packs, so keep the lure moving to draw competition strikes.

Light bait fishing over mud and grass Shore

Rig: Light rod, small hook and split shot or a tiny jig

Bait/lure: Shrimp pieces or small live baitfish

Key tip: Fish bay mouths and grass edges from docks and small boats; use small baits — sennet mouths and prey are small.

Best baits & lures

Small spoons and jigsTiny live baitfishShrimp pieces and small cut bait

Techniques for Southern Sennet →

Baseline setup

  • Rod: Light-medium 7' spinning rod
  • Line: 10-20 lb braid or mono
  • Terminal: Light wire or 30 lb mono bite leader, small spoons and jigs

Recommended gear for this species

Rod · Best value

9' medium-heavy surf spinning rod

≈ US$110-170

Casts plugs and bait past the breakers and handles stripers, drum and bluefish in the wash.

Reel · Best value

5000 size sealed spinning reel

≈ US$120-180

Salt spray and dunkings kill cheap reels — a sealed body and 30 lb braid capacity are the surf standard.

Terminal · Budget

Topwater plugs, soft-plastic jigs and fish-finder rigs

≈ US$25-40

Plugs for blitzes, jigs for the trough, bait on a fish-finder rig when they won't chase — the inshore trio.

Picks are never paid placements. Prices are guides; price links are coming soon and none is an affiliate link yet.

Typical size

Common about 36 cm; maximum 61 cm fork length and 1.14 kg (as S. picudilla)

On the table

Marketed fresh and frozen; small but edible. FishBase notes reports of ciguatera poisoning for the species (as picudilla) — follow local reef-fish advice.

Similar species

Regulations vary by area and can change in-season — always check the official rules for your area before you fish. Regulations guide →

Plan a trip for Southern Sennet

Build today's plan

⚠ Heads-up: Southern Sennet doesn't occur around Vancouver, BC (or is very rare there), so it's not a sensible local target. Your plan stays in Vancouver, BC and is built around the fish that actually live there.