← Species library

Fish

Fine flounder (Peruvian flounder)

Lenguado (lenguado fino)

Paralichthys adspersus

Saltwater

At a glance

Typical size

1–5 lb.

Depth

5–150 ft.

Best time

Daytime on a moving tide.

Found in

3 areas

1

Know it

Spot it, size it up and learn its habits.

Identification

Left-eyed flounder (both eyes on the left side) with a brown, spotted top side, a large mouth with sharp teeth, and a white underside.

Typical size

1–5 lb.

Maximum size

About 28 in and around 10 lb.

Diet

Small fish, shrimp and squid.

Behavior

Lies buried in sand and ambushes passing fish; moves into shallow bays in summer.

2

Find it

Where, when and how deep to look.

Where to find it

Found from Peru, Northern & Central Chile and Pacific Colombia & Ecuador. Sandy bottoms in bays, beaches and near rocks from Ecuador to Chile.

Habitat

Sandy bottoms in bays, beaches and near rocks from Ecuador to Chile.

Depth

5–150 ft.

Fishing depth

10–50 ft.

Best season

Summer is best.

Best time

Daytime on a moving tide.

Best tides

Moving tide.

Best weather / conditions

Calm, clear water.

3

Bait & gear

What to tie on and what to throw.

Best bait

Live small fish (pejerrey, anchoveta) and shrimp.

Best artificial lures

Soft plastics and jigs dragged on the bottom.

Tackle setup

Medium spinning rod.

Hook size

1/0–3/0.

Line

15–20 lb braid.

Leader

20–30 lb fluorocarbon.

4

Catch it

Step by step, from first cast to landing.

Step-by-step: how to catch it

  1. Go where it lives: Sandy bottoms in bays, beaches and near rocks from Ecuador to Chile.
  2. Rig up: Medium spinning rod. 20–30 lb fluorocarbon.
  3. Pick your bait: Live small fish (pejerrey, anchoveta) and shrimp. Lures: Soft plastics and jigs dragged on the bottom.
  4. Fish it: Drift slowly over sandy bottom with live bait or drag soft plastics; give it a moment before setting the hook.
  5. Time it: Daytime on a moving tide. Moving tide.
Fishing techniques

Drift slowly over sandy bottom with live bait or drag soft plastics; give it a moment before setting the hook.

BigJoe's tip

Flounder often grab the bait sideways — wait a few seconds before you strike.

Catch and release

Catch and release: wet your hands, keep the fish in the water when you can, and release it quickly. Use circle hooks and a dehooker.

5

Clean & cook

Is it good to eat, and how to prepare it.

Edibility

Excellent eating — one of the best-tasting fish in its range.

Cleaning

Bleed and ice it right away. Fillet, then remove the skin and any dark bloodline.

Cooking suggestions

The king of Peruvian ceviche — firm, sweet white meat; also great as tiradito or fried.

6

Stay safe & legal

Safety, rules and taking care of the fishery.

Safety warnings

Sharp teeth.

Regulations

Peru and Chile set minimum sizes; check local rules. Each country sets its own rules: Chile requires a recreational fishing license (from Sernapesca) for sea and fresh water, and Peru and Ecuador have their own size limits and closed seasons. Marine reserves and some bays are closed — check local rules before you keep fish.

Conservation

Overfished in many areas; follow size limits.

Where it's found

Tap an area to open its fishing map.

Sources & photo credits

Sources

  1. FishBase — Paralichthys adspersus
  2. IUCN Red List — Paralichthys adspersus
  3. International Game Fish Association (IGFA)
  4. FAO Fisheries and Aquaculture
  5. Photo credits