Freshwater Invertebrates (2020). Half hour movie, made by Ferenc Kriska and György Kriska
26:10
America's Crayfish: Crawling In Troubled Waters (Also see https://justapedia.org/wiki/Crayfish)
11:35
Aquatic Isopod Care Guide and Breeding Project Update
54:51
Ice Age Ponds Project: Identifying Aquatic Invertebrates
2:28:33
Masters Of Disguise: Meet The Creatures Lurking In The Wilderness | Nature Documentary
19:33
Bugs In Cyberspace sent me over 60 Aquatic Insects!
16:59
Sonidos raros de motores antiguos al arrancar que te volarán los oídos ▶3
29:22
Édesvízi gerinctelenek (2021) - Kriska Ferenc és Kriska György félórás filmje
1:05:49