My betta fish is in a bowl, so I can’t heat up the bowl. I don’t know how to get the parasites off! I have no idea what to do! I love this betta fish a lot! Please help me!

how come if your getting one small fish that only grows to be 2 inches does it need 50+ gallons? or does this only apply if your getting a school? i have a ten gallon tank and the majority of fish need at lease twenty. thanks

Silly question, I know, but to me the thought of being eaten by a cold-blooded creature like a crocodile seems worse than being eaten by a lion.

Due to a recent epidemic in my fishtank, I have an an odd assortment of fishes. I have a 20 gallon freshwater. What I have: (please, i know it’s awful, just answer the question!):
- common pleco
- albino corry catfish
- 4 large black neon tetras
- 2 white clouds (1 male, 1 female)
- 1 neon tetra
- 1 [...]

How many gallons/litres is that?
What about an axolotl (if it’s coldwater)
and if i put a heater in what could i put in?
i can get a picture but there are gerbils in there at the moment so…
ummm how do you get the photo on here?
ignore above i can't get i pic in the first place-my camera [...]

I mean can you recognise and identify them by their common names?

I have a sea cactus that I put in a small tank with my baby seahorses. I noticed the cactus had eggs growing on it. They hatched and now I have TONS of little jelly fish looking things. They are round and flat. But they seem to have a black dot in the center. When [...]

should i worry that i fed too many?? im not worried about the bacteria or parasites but is that too many?? my fish is about.. 7 inches from end of mouth to beginning of tail

The ich “dots” Are really big, what does that mean, and can you explain the ich cycle? Do they fall of, best awnser will be to the longest, most simple awnser.