The Ocean Sunfish - oceansunfish.org
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Welcome! The giant ocean sunfishes, family Molidae, are some of Earth’s most fascinating yet mysterious creatures. These jelly-eating giants hold the record for being the world’s heaviest bony fish and occupy a unique place in the open ocean web of life. This site is dedicated to consolidating our current state of knowledge and announcing our latest research discoveries and those of others as they become available. Be sure to check out the research section and if you have recently published something on mola or produced a film with mola in it please, do let us know--we’d love to add this information to the site. We are also excited to share a new feature that involves you! If you are certain you have seen a mola, please add your sighting to our growing database by clicking here.

We welcome your comments, suggestions, additions, deletions and hope you enjoy the site. Dive in!

Satellite Tracking and Site Fidelity of Short Ocean Sunfish,
Mola ramsayi, in the Galapagos Islands

Tierney M. Thys, Alex R. Hearn, Kevin C. Weng, John P. Ryan, and César Peñaherrera-Palma

Ocean sunfishes, with their peculiar morphology, large size, and surface habits, are valuable assets in ecotourism destinations worldwide. This study investigates site fidelity and long-range movements of short ocean sunfish, Mola ramsayi (Giglioli 1883), at Punta Vicente Roca (PVR) off Isabela Island in the Galapagos Islands. Read More...

Ocean sunfish photographed in Papua New Guinea
Molas photographed in PNG: blog post

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Help Unravel the Mystery of the Ocean Sunfish click here
Seen an ocean sunfish? You can help Dr. Tierney Thys (tierneythys@gmail.com) and her colleagues by reporting your sighting. Your sightings can help us understand the behaviors and movements of these amazing creatures. Any high quality pictures documenting your sighting are exceptionally helpful for species confirmation.

Sightings Latest Sighting
Date: 10/28/2016 1100 hrs
Location: N 45.647648, W 61.418896
Behavior: swimming
 

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About Tierney Thys

Citing this site

Adopt a Sunfish
Adopt a molaI’d like to tell you a story about a very special little girl who inspired the creation of the Adopt a Sunfish. Early in 2007, I was serving as a National Geographic expert on a ... read more