The Good Blog - Your Pet Fish Can Recognize Your Face!
Do Fish Recognize People?, Do Fish Remember Faces?
Beyond Eyes: This Fish Can See With Its Skin
Swim bladder disease - Wikipedia
Fish recognize their own faces - and freak out when there's a flaw
Sifter, Science
The Dangers of Uneaten Fish Food
Your Pet Fish Might Actually Be Able to Recognize Your Face
Glass Surfing: Why Do Fish Swim Up and Down the Glass? - PetHelpful
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Fish Shimmies: What It Is and How To Treat It
Devi Shastri, Science