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Jacuhy pleco

Hypostomus aspilogaster

Jacuhy pleco© FishBase (CC BY-NC)

The Jacuhy pleco (Hypostomus aspilogaster) is a small armored catfish native to South‑American rivers. It grows to about 26.5 cm and is prized by anglers for its nocturnal feeding habits rather than sport. Its tough skin and suck‑mouth make it a unique catch in freshwater habitats.

Fight
Taste

Basic Information

Family

Loricariidae

Max Size

26.5 cm

Habitat

freshwater

Climate

tropical

Best Season

Year‑round, with higher activity during the rainy season (May‑October)

Best Time

Nighttime (dusk to pre‑dawn) when the fish feeds near the bottom

Distribution

No distribution map available

Fishing Tips for Jacuhy pleco

  • Use night‑time bottom rigs with a heavy slip sinker
  • Bait with live earthworms, shrimp, or canned catfish bait
  • Employ a soft‑plastic catfish jig or small jig head to mimic prey
  • Keep a sturdy medium‑heavy rod and 8‑12 lb test line to handle the fish’s suction and occasional head‑shakes

Top Fishing Locations for Jacuhy pleco

Itaipu Reservoir

Brazil
beginner75% Very Common

One of the largest hydroelectric reservoirs on the Paraná River, famed for dense populations of Hypostomus aspilogaster attracted to the abundant submerged structures.

Best: Oct-Feb

Upper Paraná River (Rosario Stretch)

Argentina
intermediate65% Common

Riffle-rich stretch of the Upper Paraná near Rosario where the pleco congregates around rocky outcrops and driftwood.

Best: Nov-Jan

Pantanal Floodplain, Mato Grosso do Sul

Brazil
intermediate55% Common

Seasonally flooded wetlands providing ideal breeding grounds; plecos are abundant in the backwaters and marginal channels.

Best: Dec-Feb

Paraguay River near Encarnación

Paraguay
beginner70% Very Common

Deep, slow‑moving sections with plentiful woody debris; a hotspot for anglers targeting large plecos.

Best: Oct-Mar

Uruguay River near Paysandú

Uruguay
beginner60% Common

Calm river bends with submerged logs; plecos are common but require careful presentation.

Best: Nov-Feb

Lake Ypacaraí

Paraguay
expert40% Occasional

Smaller lake known for occasional large plecos; success often hinges on night fishing and precise lure selection.

Best: Dec-Feb

Market Prices

Recommended Fishing Equipment for Jacuhy pleco

Recommended Equipment

RodMedium‑heavy spinning or bait‑casting rod, 6‑8 ft, fast to moderate action
Line8–12 lb test monofilament or braided line
Lure TypeSoft‑plastic catfish grub or small jig (use ‘N/A’ if only live bait)
TechniqueBottom/river‑bottom fishing with a slip‑sinker rig

Best bait: Live earthworms, shrimp, or canned catfish bait