What do fish eat?

What was this weird up-side-down swimming fish in miami? Possibly a 'cleaner fish'? Unfortunately I do not have a picture, but this fish's behavior was so specific I figure someone may know it just based on that, although the internet has failed me so...

By contaminated, I mean its not good for drinking. But yes I ve gotten into it a few times, and nothing has happened. Plus, I ve noticed 6 different kinds of fish living in the creek (catfish, sucker fish, ordinary fish about 1 ft long, some golden fish...

So I have these fish in my 55 gallon aquarium so far: 4 red platys, more to come (female pregnant) 6 scissortail rasboras 2 juvenile angelfish (Soon I'll have a pictus catfish, more platys, swordtails and a dwarf gourami or two). What can the fish I...

I am a vegetarian because, meat is bad for you, ALL of it, but I do eat fish, and sometimes shrimp, so what is wrong with fish, is it the same a meat? If it is and can be proven I ...show more

I just got a new betta, and I didn't know that my catfish would eat it. I plan to throw the catfish out so when I get a new one, it wont get attacked. Without the catfish in my tank, I would have: A black catfish, four red eyed tetras, two black mollies...

I use feeder fish for mainly for my Oscar and occasionally my Brim and Koi. I have a 90 gallon pond in my front yard. Right now it has feeder fish in it. I would like to know what other type of fish I can put in that tank that wont eat the feeder fish...

im thinking about buying two cleaner shrimp and i want them to last. but im afraid that my fish might eat them because theyre small. will my fish eat them? i have a clownfish, fire goby, diamond watchman goby, and two blue damsels. and what other kind...

Dream interpreters, please translate: I am living in a very poor community by the ocean. Word is that some big fish have swam into the lagoon by where we all live. My friends and I run to the water and swim to try and catch fish. I am extremely lucky...

Fish newbie here. Tell me what to eat. Most of my life, I haven't eaten seafood. A few years ago, an ex-GF introduced me to sushi rolls, and I've come to quite enjoy tuna and salmon rolls. I got adventurous, and now I occasionally sear a nice tuna steak...