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Hemiancistrus subviridis

Hemiancistrus subviridis

Hemiancistrus subviridis© FishBase (CC BY-NC)

Hemiancistrus subviridis, known as the green pleco, is a small, armored catfish native to South American freshwater rivers. It’s popular among aquarists for its striking green coloration and algae‑grazing habits, but it’s not a typical food fish.

Fight
Taste
Inedible/Protected

Basic Information

Family

Loricariidae

Max Size

15 cm

Habitat

freshwater

Climate

tropical

Best Season

Year‑round, with peak activity during the rainy season (May‑October) when water levels rise

Best Time

Night to early dawn, when catfish are most active

Distribution

No distribution map available

Fishing Tips for Hemiancistrus subviridis

  • Use a light spin or ultralight rod with 4‑6 lb test line to feel subtle bites.
  • Present live or fresh bait such as earthworms, bloodworms, or small shrimp near the bottom.
  • Target structures like submerged logs, rocks, and overhanging vegetation where the fish hide.
  • Fish slowly and allow the bait to rest on the substrate; a gentle lift‑and‑drop retrieve can trigger a bite.

Top Fishing Locations for Hemiancistrus subviridis

Xingu River

Brazil
intermediate70% Very Common

Known for abundant Hemiancistrus subviridis in rapids and rocky substrates of the Xingu near Altamira.

Best: June-September

Rio Negro

Brazil
beginner60% Common

Black‑water river near Manaus with plentiful leaf‑litter habitats favored by Hemiancistrus subviridis.

Best: August-November

Madre de Dios River

Peru
intermediate65% Common

Clear tributary streams near Puerto Maldonado host dense populations of the species.

Best: May-September

Tapajós River

Brazil
expert55% Common

Fast‑flowing sections with rocky outcrops provide ideal conditions but require advanced handling.

Best: July-October

Upper Ucayali River

Peru
beginner50% Common

Large river system with seasonal floodplains where Hemiancistrus subviridis is regularly encountered.

Best: June-August

Amazon River (Iquitos region)

Peru
intermediate45% Occasional

Main channel backwaters near Iquitos are a reliable hotspot for the species.

Best: May-September

Market Prices

Recommended Fishing Equipment for Hemiancistrus subviridis

Recommended Equipment

RodUltralight spinning rod, 5‑6 ft, fast action
Line4‑6 lb test monofilament or fluorocarbon
Lure TypeSmall soft‑plastic grub or jig, 1‑2 in, natural colors
TechniqueBottom/structure fishing with slow retrieve

Best bait: Live earthworms or bloodworms