Big Bertha is a regular guest at the manta ray experience and is comfortable with close encounters with divers and snorkelers. She frequents Manta Heaven and Manta Village. She is a favorite manta many guests see, and her size leaves most speechless.
We have seen Big Big Bertha pregnant several times. Her belly bulges out, and in the last few months, being close to term, her back will fill out as well.
Check out this video: The Diary of Big Bertha’s Pregnancy (2010-2011)
Big Bertha was first identified in 1992. She was not named “Little Bertha” at that time, which led us to believe that she had always been a large female.
Big Bertha
Big Bertha
Big Bertha
Big Bertha
Big Bertha
Big Bertha
Big Bertha
WINGSPAN 5-6 Feet
GENDER Male
SPECIES Mobula Alfredi (reef)
WINGSPAN 12-14 feet
GENDER Female
SPECIES Mobula Alfredi (reef)
WINGSPAN 6-7 feet
GENDER Female
SPECIES Mobula Alfredi (reef)
WINGSPAN 6-8 feet
GENDER Male
SPECIES Mobula Alfredi (reef)
WINGSPAN 6-8 feet
GENDER Male
SPECIES Mobula Alfredi (reef)
WINGSPAN 8-10 feet
GENDER Male
SPECIES Mobula Alfredi (reef)
WINGSPAN 8-9 feet
GENDER Female
SPECIES Mobula Alfredi (reef)
WINGSPAN 5-6 feet
GENDER Female
SPECIES Mobula Alfredi (reef)
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