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Sunfish measuring 6.5 feet washes ashore near Seaside

PORTLAND, Ore. (KOIN) — A large ocean sunfish, measuring over six feet long, recently washed ashore on the Oregon Coast, according to the Seaside Aquarium.

The fish – also known as a Mola mola – washed ashore about a quarter-mile south of Sunset Beach, just north of Seaside.

While this mola mola measured 6.5 feet, the aquarium said they can reach to lengths over 8 feet long and weigh up to 5,000 pounds.

Sunfish measuring 6.5 feet washes ashore near Seaside
A large ocean sunfish washed ashore near Sunset Beach, just north of Seaside, Ore. June 2025. (Seaside Aquarium)

Other sunfish sightings along the Oregon Coast were previously confirmed by the Seaside Aquarium last summer.

Two of them were Mola mola – an ocean sunfish – and one was a Mola tecta, a hoodwinker sunfish found on Gearhart Beach. The latter caused a stir because it was the first one to wash up in Oregon and only designated as a species in 2017.

The mola mola (right) compared to the mola tecta (left). (Photos courtesy of the Seaside Aquarium)

The most noticeable difference between the mola mola and the newer species documented at Gearhart Beach is the T-shared pattern near the tailfin of the Mola tecta.

Further, the aquarium said Mola tectas also do not get quite as big as the Mola mola, reaching just under 8 feet and weighing 4,000 pounds.

Both species of sunfish can be found all over the world – except for the polar regions – and are capable of traveling as far as 17 miles in a single day, the aquarium noted.

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