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Which fish lays the most eggs at one time?

Marine lifeFish

Quick Answer

The ocean sunfish is among the most fecund vertebrates, producing up to hundreds of millions of eggs in a single spawning. Estimates have suggested as many as 300 million eggs.

The Full Story

The ocean sunfish is famous for producing an extraordinary number of eggs. A large female may release up to around 300 million eggs in one spawning event, though estimates vary. This huge reproductive output helps offset high egg and larval mortality in the open ocean. The species is also notable for its bizarre shape and enormous size, making it one of the ocean’s most unusual fish.

Key Facts

1.Egg estimate: up to about 300 million
2.Species: ocean sunfish
3.Habitat: open oceans

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"One fish can release more eggs in a season than most animals could ever imagine."