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Saltwater · Warm-water months; rare where surface temperature falls below 23°C

Black Skipjack

Euthynnus lineatus

The eastern Pacific's small tuna, forming mixed schools with yellowfin and skipjack over warm coastal and offshore surface water. It is a fast, opportunistic predator and a lively light-tackle and bait-boat fish.

Seasons · Peak

Jan
Feb
Mar
Apr
May
Jun
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Aug
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Dec
Black Skipjack
Photo: Diego Delso, CC BY-SA 4.0 — Wikimedia Commons

Identifying features

  • Iridescent blue back with 3-5 solid horizontal black stripes running from the corselet to the tail
  • Variable black or dark-grey spots above the pelvic fins, between pectoral and pelvic fins
  • Belly usually plain silvery, sometimes with light grey longitudinal striping
  • First dorsal fin strongly concave — front spines much taller than those behind
  • Body naked except for the corselet and lateral line, like other Euthynnus

Habits

  • Stays in warm surface water, rarely where it falls below 23°C; larvae concentrate above 26°C
  • Forms multi-species schools with yellowfin tuna and skipjack tuna
  • Opportunistic predator on small fish, squid and crustaceans near the surface
  • Largely confined to waters within about 240 miles of the mainland coast

Distribution

Baja California Pacific Coast · Baja California & Baja California Sur★ Primary
Mazatlán & the Mainland Pacific Coast · Sinaloa to Oaxaca★ Primary
Pacific Coast, Guatemala · Guatemala★ Primary
Pacific Coast, Costa Rica · Costa Rica★ Primary
Panama — Pacific, Canal & Caribbean · Panama★ Primary
Sea of Cortez (Gulf of California) · Baja California Sur, Sonora & SinaloaCommon
San Diego, CA · CaliforniaOccasional

Where to find them

  • Surface bait schools off the Mexican and Central American Pacific coast
  • Current lines, rips and temperature breaks offshore
  • Around offshore islands and seamounts in warm water

Where they live

Coastal surface watersOffshore surface waters within ~240 miles of landAround bait schools and current lines

How to catch them

Trolling small lures for surface schools Boat

Rig: Light-medium trolling outfit, small feather or cedar plug on a light leader

Bait/lure: Tuna feathers, cedar plugs, small spoons

Key tip: Troll around bait balls and bird activity in warm water; black skipjack travel with yellowfin and skipjack, so stay rigged light for numbers.

Live-bait chumming surface schools Boat

Rig: Spinning outfit, small circle hook, no weight

Bait/lure: Live sardine or anchovy

Key tip: Chum sparingly to hold the school, then pitch a live bait on light line; keep the boat up-wind of the school and do not drive through it.

Best baits & lures

Small trolled feathers and cedar plugsLive sardines or anchoviesSmall metal jigs cast to surface schools

Techniques for Black Skipjack →

Baseline setup

  • Rod: Light-medium 7' spinning / trolling rod
  • Line: 20-30 lb braid or mono
  • Terminal: Small feathers and plugs, 30 lb fluorocarbon leader, small circle hooks

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 60 cm; maximum 84 cm fork length and 9.1 kg

On the table

Eaten fresh and used as bait and in local markets; darker, stronger flesh than skipjack — many anglers use it for bait or release it.

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 Black Skipjack

Build today's plan

⚠ Heads-up: Black Skipjack 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.