What is this on the top of my fish tank? I have snails and 2 gold

Top 7 Helpful Snails for Your Next Freshwater Fish Tank – Aquarium Co-Op

Constantly having to flip over nerite snail

Adding Nerite Snails To My Tank

Aquarium Do's And Don'ts

Fish Fantasy World

Freshwater Aquarium Fish That Eat Snails - PetHelpful

Care Guide for Mystery Snails — Entertaining and Useful Scavenger – Aquarium Co-Op

Rate my tank, I've got 2 gold fish, 6 tetras, 2 dwarf gouramis , 5 Cory catfish, 1 pleco and a snail that's called Gary. : r/Aquariums

Mystery snail wrinkle foot and stress sliming, Freshwater Invertebrate Disease Forum

I added two gold mystery snails to my 2.5 gallon betta aquarium and now he is itching himself, mildy focusing on places he normally went, and more jumpy. I'm not sure if

List of Freshwater Aquarium Snails. Pros and Cons - Shrimp and Snail Breeder

List of Freshwater Aquarium Snails. Pros and Cons - Shrimp and Snail Breeder

Orange red ramshorn snail - Planorbella duryi duryi

How to Help an Old or Sick Mystery Snail - PetHelpful

Top 7 Helpful Snails for Your Next Freshwater Fish Tank – Aquarium Co-Op