A species of small fish has been observed by the thousands climbing a vertical waterfall 15 metres (50 feet) tall in the ...
Scientists discovered a tiny fish that can climb up a 50-foot waterfall in the Democratic Republic of Congo, a rare feat for a small fish.
Along the rocky coasts of Washington, there is a small fish that has left scientists scratching their heads. The rockhead poacher looks unlike any other fish. Its most striking feature is a large, ...
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