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Kona Manta Ray Identification Project
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Photo by Keller Laros
Number: 9
Name: Big Bertha
Sex: Female
Current Size: 16feet
Last Sighting: ongoing
First Size: {First Size}
First Sighting: 1992
   
   
   
Big Bertha is a large female with a wing span of 16' across. She is probably the largest manta in the Kona clan and was first identified in 1992. Her mouth is cavernous and displays a dark blue/gray tooth band on the lower jaw. She is friendly and comes close to divers. She frequents both the Kona Surf site and the northern site at Ho'ona Bay/Garden Eels. She is one of the most commonly sighted manta rays all year round.