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Fishing Lago Caonillas: what the data says
666-acre reservoir near Utuado. a deep karst-country reservoir on the Río Caonillas near Utuado, and a classic largemouth-and-peacock-bass water studied by DRNA fisheries biologists. The lake tops out around 131 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Here is how the season plays out for each species, straight from the data behind the map.
Largemouth Bass fishing at Lago Caonillas
Start shallow in spring: largemouth bass sit in 2 to 10 ft that time of year. They move out to 8 to 20 ft in summer and finish the year down in 15 to 35 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Best bite is early morning and the evening. Tie on a texas-rigged 10" worm or a deep-diving crankbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 15 to 35 ft | midday | Blade bait, Jigging spoon |
Peacock Bass (Tucunaré) fishing at Lago Caonillas
Start shallow in spring: peacock bass (tucunaré) sit in 2 to 12 ft that time of year. By summer they slide out to 3 to 15 ft, and by winter most fish are in 6 to 22 ft. If you only fish one area, make it Break off the point: a drop-off around 15 ft that scores prime in winter. In summer the feeding windows fall in midday and early morning.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 12 ft | midday & dawn | see map |
| Summer | 3 to 15 ft | midday & dawn | see map |
| Fall | 3 to 15 ft | midday & dawn | see map |
| Winter | 6 to 22 ft | midday | see map |
Tilapia fishing at Lago Caonillas
Start shallow in spring: tilapia sit in 1 to 6 ft that time of year. Summer pushes them deeper, 2 to 10 ft, and winter fish settle into 5 to 18 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Best bite is midday and early morning.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | see map |
| Summer | 2 to 10 ft | midday & dawn | see map |
| Fall | 3 to 12 ft | midday | see map |
| Winter | 5 to 18 ft | midday | see map |
Channel Catfish fishing at Lago Caonillas
Start shallow in spring: channel catfish sit in 3 to 12 ft that time of year. They move out to 8 to 25 ft in summer and finish the year down in 20 to 40 ft. The spot to know is Old creek channel, a creek channel in about 29 ft of water that rates prime for channel catfish in fall. Best bite is after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 8 to 25 ft | night & dusk | |
| Fall | 10 to 30 ft | dusk | |
| Winter | 20 to 40 ft | midday |
Bluegill fishing at Lago Caonillas
In spring, bluegill run shallow here, mostly 1 to 6 ft. They move out to 4 to 15 ft in summer and finish the year down in 10 to 25 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 3 ft that scores prime in spring. Best bite is early morning and the evening. Summer baits: a small sponge spider (fly) or a micro tube jig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 10 to 25 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Notable structure
- Deep basin: deep basin, around 129 ft
- Río Caonillas inflow: inflow / creek mouth, around 53 ft
- Main-lake point: point, around 35 ft
- Old creek channel: creek channel, around 29 ft
- Secondary point: point, around 19 ft
- Break off the point: drop-off, around 15 ft
- Back-bay flat: weed flat, around 9 ft
- Shallow bay flat: weed flat, around 3 ft
Common questions
How deep is Lago Caonillas?
Lago Caonillas is about 131 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Lago Caonillas?
Anglers target largemouth bass, peacock bass (tucunaré), tilapia, bluegill, channel catfish on Lago Caonillas.
Where is the best fishing spot on Lago Caonillas?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Lago Caonillas?
For largemouth bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.