Small stream, near Raidãk River, India, by Pedro Mendanha Dias (Portugal)

Assessed by: Friedrich Bitter (Amazonas) and Sven Kullander (NRM)

Pedro says: “In the Indian part of the Brahmaputra river drainage, near Raidãk river, there are some small streams that pass through lush agricultural fields (often rice), with crystal clear waters, bottoms covered by grey sand, fine gravel, roundish rocks and driftwood, and dense growth of marginal and aquatic vegetation [e.g. Hygrophila (possibly Hygrophila balsamica, Hygrophila corymbosa, Hygrophila difformis, Hygrophila lancea or Hygrophila polysperma), Limnophila (possibly Limnophila aquatica, Limnophila aromatica, Limnophila heterophylla, Limnophila indica, Limnophila rugosa or Limnophila sessiliflora), Ottelia (possibly Ottelia alismoides), and Rotala (possibly Rotala indica, Rotala rotundifolia, Rotala serpyllifolia or Rotala wallichii) species and mosses of the genera

Vesicularia or Amblystegium serpens. In these kinds of underwater landscapes, it is possible to find

the extraordinary Dario dario fish, together with the Indian shrimp species Caridina babaulti.