Are you into animals?  Do you like fish?
Several varieties are recognized by Japan.
What do you mean?  Kinds of fish?  Like koi fish?
They come in many colors such as white, black, red, and blue.
What kinds of things do they eat?  Can they live in saltwater?
group of fish originally found in Central Europe and Asia. Various carp species were originally domesticated in East Asia, where they were used as food fish. Carp are coldwater fish, and their ability to survive and adapt to many climates and water conditions allowed the domesticated species to be propagated to many new locations, including Japan. Natural color mutations of these carp would have occurred across all populations. Carp were first bred for color mutations in China more than a thousand years ago, where selective breeding of the Prussian carp ("
Cook the fish." And they replied, "The sun has not yet risen." By and by the sun rose and warmed the fish with its rays, and they ate the food still raw and bloody. Then the serpent said to them, "You two are spirits, for you eat your food raw. Perhaps you will eat me. You, girl, stay; and you, boy, crawl into my belly." And the boy was afraid and said, "What shall I do?"