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SEVEN CASTS
Coastal Companionby Seven Casts · Coastal Virginia
Plate 16 of 79SaltwaterOffshore

Cobia

Rachycentron canadum — also called lemonfish, ling

A big, brown, shark-shaped summer visitor to the lower Bay — sight-cast along the Bay mouth and buoys or soaked for on the bottom, and among the best-eating fish here.

Typically present

advancedBoat recommendedNearshore ocean
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Practice this species

Try a simulated catch in Seven Casts. Use this guide and its official sources to plan a real trip.

This profile has not yet been checked against an official regional data source — confirm identification, seasons, and regulations before you rely on it.

Cobia (Rachycentron canadum)
Fig. 16. Rachycentron canadum

Photo: Robertson / Smithsonian Tropical Research Institute, Smithsonian Institution — Public domain

Habitat
Offshore waters
Methods
Inshore boat
Typical size
30–50 lb
Eating
good

Identification

Look for

  1. Long, dark-brown body with a broad, flat head and a dark stripe along the side — at a glance often mistaken for a shark or a remora
  2. A row of short, separate dorsal spines instead of a tall first dorsal fin; the single long dorsal fin sits well back
  3. Cruises near the surface, often beside rays, buoys, and channel markers, which is what makes sight-casting possible
Typical size here
30–50 lb
Notable fish
Fish past 70 lb are landed in the lower Bay most summers

Local waters

  • Nearshore and Bay structure, buoys, and wrecks
  • Open water — often sight-cast to cruising fish

Primarily a boat fishery here — typically fished by inshore boat. 1 spot in this guide document it — see water to try below.

Show on the map

When to fish

Typically present: spring, summer

Late spring through summer, peaking as fish migrate up the Bay.

Water temperature

The water, not the calendar, sets the season here — a warm October or a cold snap moves these bands.

Water temperature and the seasons

Bite Windows shows the predicted tide stage, daylight, and forecast for a spot where this species is documented — planning context, never a catch forecast.

How to catch it

  • Sight-cast from a tower or the bow on calm, sunny days: fish cruise near the surface along the Bay mouth, buoys, and rays — lead the fish with a bucktail or a live eel and let it swim.
  • When fish are not showing, chum and soak live bait (eel, spot, bunker) on the bottom near the Bridge-Tunnel, buoys, and shoals.
  • Cobia often follow a hooked fish or a ray to the boat — keep a second rod rigged and a bait ready.
  • Common mistakegaffing (illegal in Virginia) or bringing a green cobia into a small boat before it has finished fighting.

Bait & lures

  • Live eel or bunker
  • Bucktails jigged near structure
  • Large soft plastics for sight-casting

Tackle to start with

Ranges, not rules — match the day, the water, and the fish in front of you.

Rod
7–7½ ft heavy spinning or a 30–50 lb class conventional
Line
40–65 lb braid
Leader
60–100 lb fluorocarbon or mono
Hooks
7/0–10/0 non-offset circle hooks for live bait; 2–4 oz bucktails

Rigs for cobia

All rigs

Packing lists written for it

Terms usedPresentation

On the table

Firm, meaty, steak-like white flesh with a clean flavour — grill or sear as steaks; one of the best-eating fish in the Bay. Confirm current limits with VMRC.

  • It is illegal to gaff cobia in Virginia — land them with a net or by the leader once the fish is done; a green cobia in a small boat is dangerous.
  • Bleed and ice large fish immediately; the thick fillets cool slowly.

Recipes written for it

Cleaning, chilling, and cooking a legal catch covers the steps between the cooler and the pan.

Where to try

Water that suits cobia

On the mapAll fishing spots