No.
The piranha is a fish with razor like teeth. The piranha is a freshwater fish that lives in South American rivers.
Saltwater: redtoothed trigger fish Freshwater: Jack Dempsey cichlid
Yes, all Rasboras are freshwater fish. They are a good beginner's fish for a new aquarium.
All freshwater fish don't mind alage at all. Many freshwater fish eat alage like plecos, and loaches. Which you can get at almost any pet store.
all of them
A saltwater fish tank can be half freshwater and all of the saltwater fish will live but not for very long.
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.
The freshwater white fish you are likely referring to is the northern pike (Esox lucius). This fish has a long, slender body and a white to light-colored belly, and it is known for its sharp, pointed teeth. Northern pike are predatory and can be found in lakes and rivers across North America, Europe, and Asia. Their teeth help them catch and hold onto slippery prey like smaller fish.
Yes, but depends on the species, just like it does in salt water fish. Just because you can't see a fishes teeth doesnt mean it doesnt have any. Many fish have what are called phyringial teeth, which means they are set further back in their mouths/throat. Carp are a good example of a fish having this sort of dental arrangement. Good examples of freshwater fish with prominent teeth are piranah's, gar, pike etc!
Loaches are freshwater fish, for example, the clown loach which is a freshwater fish.
Certain freshwater fish can survive saltwater conditions; examples are black mollies, mono's and scats. All of these fish aren't truly freshwater or saltwater, they are Brackish. Brackish is between freshwater and saltwater, and so these fish are highly adaptable.
The kingdom of a piranha is Animalia, which is the kingdom that encompasses all animal life on Earth. Piranhas are freshwater fish known for their sharp teeth and carnivorous feeding habits.