There are both marine (salt water) and fresh water fish in the tropics.
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.
I am not sure of the question but an Freshwater Angelfish is sold as a freshwater tropical fish.
Goldfish are freshwater, not saltwater.
They are tropical freshwater fish. They can be kept in an indoor heated tropical aquarium.
No. Danios are Tropical Freshwater fish.
No. Goldfish are freshwater fish and tropical starfish are saltwater fish.
Those are salt-water tropical fish not the freshwater fish you see in pet-stores.
Most tropical fish live in the ocean, but some do live in freshwater.
No, salmon are not tropical fish. They are typically found in cold, freshwater and saltwater environments in the Northern Hemisphere.
There are many freshwater tropical fish. In fact most of the tropical fish kept by aquarists are freshwater and they can not survive in either cold water or marine (salt) water. In most cases the marine species are much more difficult to keep and much more expensive to set up for.
A freshwater\tropical fish found near Central and South America
"Tropical" simply means the aquarium is kept above 60F. "Marine" simply means the water in the aquarium has had sea salt added to make the water into sea water. Therefore it is possible to have aquaria that are "Tropical", or "Marine", and also "Tropical marine".