What marine animal has the longest migration?

The western gray whale now holds the record as the mammal with the longest known migration, researchers say. A female western gray whale swam from Russia to Mexico and back again — a total of 13,988 miles (22,511 kilometers) — in 172 days, according to a new report.

Which fish migrate the farthest?

The gilded catfish of Amazonia makes the longest migrations of any fish species that remains within fresh waters. Though its biology is not well studied, scientists know the broad pattern of its movements.

Which animal walks the most?

Animals That Travel the Furthest

Animal Distance
Leatherback Sea Turtle 12,774 miles (20,558 km)
Gray Whale 13,988 miles (22,511 km)
Humpback Whale 11,406 miles (18,356 km)
Globe Skimmer 8,700-11,180 miles (14,000-18,000 km)
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Population movement