Can Narwhals live in freshwater

Does salmon have dorsal nerve chords? Is sharks a producer? Witch is more dangerous squid or shark? What is the highest price ever paid for a koi carp? Where does the great khali live? What type of bottled water can be used for goldfish? What is the scientific name for halibut? What are types of shark that start with c? How do you tell how many babies your guppy is going to have? Shigellosis? Are tiny red worms in a pool dangerous to humans? What time does the great white shark hunt at? What predators do great white sharks have? Is an angelfish a mammal or amphibian or reptile? What is the food chain for the beach? What is phosphine? Is muffin a good name for a fish? What is a Niche of a anglerfish? Where does dried fish belong in a osmosis? When was fisher price invented?