Leporinus gomesi
One of the Amazon's many small headstanders, Leporinus gomesi lives in the Aripuanã River basin — a remote Madeira tributary in Brazil — and tops out at about 16 cm.
It grazes algae and plant tissue from submerged surfaces and has no history as a sport fish, representing the kind of quiet, specialized diversity that makes Amazonian ichthyology endlessly complex.
Scientific Name: Leporinus gomesi
- Moderately compressed, elongated body with a small mouth carrying chisel-like incisors — teeth shaped specifically for scraping algae and soft plant tissue off hard surfaces.
- Holds an oblique, nose-down angle while grazing, a posture shared across the headstander family (Anostomidae) and one of the easiest ways to place this fish in its group.
- Maxes out at 16 cm standard length, putting it firmly in the small end of the Leporinus genus.
What to know
Habitat Distribution
- Range is restricted entirely to the Aripuanã River basin, a major tributary of the Madeira River deep in the Brazilian Amazon — one of the least-studied drainages on the continent.
- A benthopelagic fish, meaning it works the water column just above the bottom rather than hugging the substrate or roaming open water.
Specific Spots
- Hard substrates with algae growth — submerged rocks, woody debris, and root mats — are the most logical feeding stations given the chisel-incisor dentition built for scraping.
- Breeding pairs use weedy, plant-rich margins; vegetated shoreline zones appear to be important during the reproductive period.
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