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Saltwater · Year-round in estuaries; best in warm months May–October on moving tides.

Blackfin Snook

Centropomus medius

A medium Pacific snook named for the black tips on its fins, common in mainland estuaries from the Gulf of California to Panama and a regular panga catch around mangroves.

Seasons · Peak

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Blackfin Snook
AI-generated image

Identifying features

  • Black tips/edges on dorsal, anal and caudal fins
  • Long second anal spine reaching past the caudal-fin base when folded
  • Slender silvery body with dark lateral line
  • Smaller adult size than black or white snook

Habits

  • Ambushes shrimp and small fish along mangrove edges
  • Feeds on moving tides, dawn and dusk best
  • Juveniles use lagoons and lower rivers as nurseries

Distribution

Mazatlán & the Mainland Pacific Coast · Sinaloa to Oaxaca★ Primary
Sea of Cortez (Gulf of California) · Baja California Sur, Sonora & SinaloaCommon
Pacific Coast, Guatemala · GuatemalaCommon
Pacific Coast, Costa Rica · Costa RicaCommon
Panama — Pacific, Canal & Caribbean · PanamaCommon
Baja California Pacific Coast · Baja California & Baja California SurOccasional

Where to find them

  • Mangrove channels in Sinaloa–Guerrero esteros
  • River mouths on the mainland coast
  • Lagoon channels and snags

Where they live

Mangrove estuaries and lagoonsRiver mouths and lower rivers

How to catch them

Mangrove casting Boat

Rig: Small swimbait or jerkbait tight to roots

Bait/lure: Live shrimp to the same cover

Key tip: Cast on moving tides and retrieve slowly past root lines.

Live-shrimp drifting Boat

Rig: Live shrimp on a small circle hook under a cork

Bait/lure: Free-lined shrimp at channel edges

Key tip: Drift lagoon channels at dawn; watch for the cork to slide under.

River-mouth casting Shore

Rig: Small swimming plug in the surf wash

Bait/lure: Spoon at first light

Key tip: Work mouths and troughs when bait is present.

Best baits & lures

Live shrimpSmall live mullet or sardinaSmall swimbaits and jerkbaits

Techniques for Blackfin Snook →

Baseline setup

  • Rod: Medium 7 ft spinning rod
  • Line: 20–30 lb braid
  • Terminal: 30–40 lb fluorocarbon leader, 2/0–4/0 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

To about 65 cm and roughly 2–3 kg; most catches 30–45 cm.

On the table

Good to very good — firm white flesh like other snooks.

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 Blackfin Snook

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⚠ Heads-up: Blackfin Snook 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.