A mola mola soaks up the sun • Earth.com

A mola mola soaks up the sun. Image courtesy of Jon Moore. The ocean sunfish or common mola (Mola mola) is the heaviest known bony fish in the world. Adults typically weigh between 247 and 1,000 kg (545–2,205 lb).

The species is native to tropical and temperate waters around the globe. It resembles a fish head with a tail, and its main body is flattened laterally. Sunfish can be as tall as they are long when their dorsal and ventral fins are extended.
Sunfish live on a diet consisting mainly of sea jellies. Because this diet is nutritionally poor, they consume large amounts to develop and maintain their great bulk.

Females of the species can produce more eggs than any other known vertebrate, up to 300,000,000 at a time. Sunfish fry resemble miniature pufferfish, with large pectoral fins, a tail fin, and body spines uncharacteristic of adult sunfish.

Mountains in the Sea 2004: Exploring the New England Seamount Chain: May 8-24, 2004

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