Fish
Fine flounder (Peruvian flounder)
Lenguado (lenguado fino)
Paralichthys adspersus
At a glance
1–5 lb.
5–150 ft.
Daytime on a moving tide.
3 areas
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.
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.
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.
BigJoe's setup for Fine flounder (Peruvian flounder)
The rod, reel, line and lures BigJoe would use.
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Catch it
Step by step, from first cast to landing.
Step-by-step: how to catch it
- Go where it lives: Sandy bottoms in bays, beaches and near rocks from Ecuador to Chile.
- Rig up: Medium spinning rod. 20–30 lb fluorocarbon.
- Pick your bait: Live small fish (pejerrey, anchoveta) and shrimp. Lures: Soft plastics and jigs dragged on the bottom.
- Fish it: Drift slowly over sandy bottom with live bait or drag soft plastics; give it a moment before setting the hook.
- 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.
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.
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.