(Galaxias brevipinnis) or koaro is a fish shaped almost like a tube. It’s about 28 cm long and has a variable pattern of golden blotches and bands. More at https://en.wikipedia.org/wiki/Climbing_galaxias
(Anaspides tasmaniae)(endemic to Tasmania) is about 5 cm long. The colour varies from black to yellow-brown and the straight body is comprised of 15 segments, with a fan-like tail and two pairs of antennae and a pair of eyes on short stalks. You can usually find it in streams and pools in caves.