Freshwater Invertebrates (2020). Half hour movie, made by Ferenc Kriska and György Kriska
49:16
The extraordinary world of beetles
34:51
Into the Australian Rainforest - Collecting Wild Fish for Aquariums
13:37
Building a Wildlife Pond for Amphibians
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
4:32
Aquatic Insects of the Middle River
2:28:33
Masters Of Disguise: Meet The Creatures Lurking In The Wilderness | Nature Documentary
17:13