Millions of years ago, the megalodon ruled the oceans – why did it disappear?

A terrifying sight in ancient waters, the megalodon shark was once the most feared creature in the sea.

By: Michael Heithaus, Florida International University, The Conversation

Outlets: The Conversation

Published: April 19, 2026

Words: 911

Last Updated: 3 months, 1 week ago

By Michael Heithaus, Florida International University

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

When did the megalodon shark go extinct, and why? – Landon, age 10

Imagine traveling back in time and observing the oceans of 5 million years ago.

As you stand on an ancient shoreline, you see several small whales …

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