No Dorsal Fin on Blue Marlin

Costa Rica Blue Missing Dorsal

Playa Hermosa, Costa Rica – We got these shots from our friend Garrett Penley down in Costa. We are stumped. We have NEVER seen or even heard of a Blue Marlin or any billfish without a dorsal fin. We have seen (and even caught) marlin without a bill, torn fins etc. but none without a dorsal. We can’t understand how this fish swims with any stability. Thanks very much to Garrett for sending these to us. Thoughts? (hook@billfishreport.com)

Blue Marlin II

About Hook

Hook Harmeling is the Co-Founder of Billfishreport.com and Granderwatch.com, the only daily international fishing report on all billfish species. Hook travels the world in search of the best fishing areas and is recognized as a billfish expert. Follow him on Facebook under "Marlin Billfish", Twitter @billfishreport or email hook@billfishreport.com

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