Not very likely, although if you live in a tropical climate it might ...
star fish
Yes, fish in an aquarium typically need a filter to survive because it helps to keep the water clean and maintain a healthy environment for the fish to live in.
It is important for a fish aquarium owner to purchase a ph probe for their tank. It helps measure the pH levels in the water. Certain types of fish will only survive in water with a certain pH level and one would need to know what their tank pH level is for their fish to survive.
Then the Sucker fish would probably find another ocean creature to cling to.
They are harmless and never chase other fish. They help keep the tank clean by eating the algae. It's good to have one in any aquarium.
You should not have any fish in a 5 litre bowl
A sucker mouth catfish can grow up to be as long as 18 inches, and this makes it one of the largest home aquarium fish. There are 116 different species of sucker mouth catfish.
Yes, it is in the sucker fish family.
I think what you are referring to are fish who can survive in an aquarium without harming other fish. Goldfish and guppies are a couple.
the marine fish would pretty much suffocate and die. so putting marine fish in fresh water is not a good idea.
A elephant nose fish can be kept with a freshwater parrot fish
There are many different aquarium animals that will clean algae off the walls of your aquarium. I will name a few: Cories, Plecostomus (AKA, Pleco) and more. There are some algae eaters that are not fish. Mystery snails, freshwater snails, and other water snails eat algae. Ghost shrimp are small and are very easy to take care of. They clean the decorations in your fish tank and eat any uneaten, leftover food.