Spontaneous accompanying fauna: snails
Animals on newly purchased, emersed plants
How to handle accompanying fauna in potware
Parasites in your aquarium
Pests and their control methods
Guidance on handling leeches in aquariums
Detection and treatment of harmful flatworms
A plague of snails
Aquarium snails - good or bad?
Hydra are often found in aquariums.
Aphids in your wabi-kusa
Natural pest control