Yes.
There are millions of tropical fish in the tropical oceans. But they are all marine fish not freshwater fish. Freshwater tropicals can not live in saltwater.
Clownfish (Amphiprion) is a genus of the Pomacentridae family. They will be found inhabiting coral reefs which are salt water based
A saltwater fish tank can be half freshwater and all of the saltwater fish will live but not for very long.
Most tropical fish live in the ocean, but some do live in freshwater.
Yes. All saltwater basses are schooling fish.
Tuna are all marine (saltwater) and they are predatory, so yes, tuna eat saltwater fish. They can only eat saltwater fishe because they do not live in freshwater.
Not all tropical fish need saltwater. Some tropical fish, like freshwater species, live in rivers, lakes, and other non-saltwater environments. It's important to research the specific needs of the fish species you want to keep to ensure they are in the appropriate environment.
It lives in saltwater...it can't survive freshwater.
Yes, Blue Tangs (Paracanthurus hepatus), and all tangs, are exclusively marine(saltwater) fish, and will die in Freshwater within an hour.
Tropical usually refers to Freshwater tropicals; and so the answer is no, because all starfish are saltwater.
Saltwater fish are very hard to keep, and it absolutely takes an established aquarium, and not just a tropical aquarium with salt. You have to have special "live" substrate, preferably "live" rock, and all levels of ammonia, nitrite, nitrate, and salinity have to be monitored very closely. A saltwater tank is for advance aquarium keepers, and it consumes a lot of time and takes a lot of work. I am sorry for your loss, but there is a lot of information available on the web on how to keep fish. Try getting him a betta or something. A saltwater fish won't ever survive long without a saltwater tank
There are all sorts of different fish in the oceans and seas, and there are many different diets associated with them. There is no one food that ALL saltwater fish will eat.