Peru, Loreto, Maynas Province
This biotope replicates a sluggish, slow-moving, almost still, heavily shaded igarapé margin in the lower Río Tahuayo drainage of Loreto, Peru. My motivation was to showcase the authentic, tannin-stained blackwater where wild Paracheirodon innesi (Neon Tetras) naturally school, challenging the norm of brightly lit community tanks.
To stay true to the dense jungle canopy environment, the aquascape features a fine mud and clay base rather than gravel and lacks aquatic vegetation. The underwater landscape relies on a network of submerged driftwood, tangled roots, and a deep, decomposing leaf litter bed that provides natural refuge and releases vital humic acids. A gentle surface ripple mimics the low flow of dry-season pools.
Here, the tetras’ iridescent stripes contrast vividly against the dark, tea-colored water, demonstrating how this brilliant coloration evolved for intraspecific visibility in the dim, detritus-rich streams of the Peruvian Amazon.
- GPS
- -4.3229170, -73.2399979
- Geographical region
- South America
- Drainage Basin
- Amazon Basin
- River catchment
- Río Tahuayo
- Water body type
- Igarapè
- Water body name
- Unknown
- Water body part
- Pool
- Water body course
- Middle course
- Water body: tributary of
- River
- Tributary name
- Río Tahuayo
Videos above and below water
