Leporinus geminis
Leporinus geminis is a small, recently described headstander from the Tocantins River basin in northern Brazil — a species known primarily to ichthyologists and taxonomists rather than anglers.
Its distinctive three-blotch color pattern sets it apart within the large, diverse Leporinus genus, and it carries no established recreational fishery.
Scientific Name: Leporinus geminis
- Three large brown blotches mark the body — one on the dorsal region, one near the adipose fin base, and one on the caudal peduncle — paired with a faint dark bar crossing the flanks.
- Sub-inferior mouth with four incisive-like teeth on each jaw, forming an arched cutting edge — a useful feature when separating it from similar Leporinus species.
- Moderately elongated, laterally compressed body; maximum recorded standard length is around 18 cm (about 7 inches).
What to know
Habitat Distribution
- Restricted entirely to the Rio Tocantins near Marabá, Pará State — a major clearwater tributary of the Amazon basin in northern Brazil.
- A benthopelagic freshwater fish recorded in both flowing and still-water environments within its limited range.
Specific Spots
- Within its native river system, the species occupies both flowing channels and calmer backwaters, but precise within-waterbody positioning has not been documented.
- Breeding pairs use densely vegetated areas, suggesting some association with aquatic plant growth during the reproductive period.
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