More than 50 national flags have five-pointed stars on.
New Zealand is famous for trout fishing, but before the British colonised it, there were no trout anywhere in the country.
A sole can live cheerfully at a depth of 35,800 feet (10,933m).
Codfish can be up to six feet long and weigh more than 200 pounds.
Catfish have more tastebuds than any other creature. Their entire bodies are covered with them. A catfish just six inches long has more than a quarter of a million tastebuds, not just in its mouth and gills, but on its whiskers, fins, back, belly, sides and tail.
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