Thin red worm, living in sandy and muddy floor of rivers and ponds. Up to 6/7 cm long.
A huge dark planaria found in a pond on the mossy walls. 3/4 cm long. It eats small snails.
RIBBON WORM (NEMERTHEA) RED
A huge red ribbon worm popped out once from the sandy bottom of my acquarium. Only once. Could have been 10/15 cm long.
RIBBON WORM (NEMERTHEA) STRIPES
I found it in a acquarium shop. The shoopkeeper thought it was a leech. I got it for free. 5 cm long and very beatiful.
SMall nematode very common in tanks and quite invasive.