Richard Herrmann / Yellowfin Tuna (Thunnus albacares) and Blue Marlin (Makaira nigricans) beside floating kelp, Nine Mile Bank, San Diego, California

Sergio Hanquet / Atlantic blue marlin (Makaira nigricans). Tenerife, Canary Islands.

Doug Perrine / Planktonic larva of Pacific blue marlin (Makaira nigricans) Kona, Hawaii, USA. Digital composite.

Doug Perrine / Pacific blue marlin (Makaira nigricans) jumping while hooked up during the Hawaii International Billfish Tournament, Kailua Kona, Hawaii.

Doug Perrine / Pacific blue marlin (Makaira nigricans) jumping while hooked up during the Hawaii International Billfish Tournament, Kailua Kona, Hawaii.

Doug Perrine / Pacific blue marlin (Makaira nigricans) jumping while hooked up during the Hawaii International Billfish Tournament, Kailua Kona, Hawaii.

Doug Perrine / Pacific blue marlin (Makaira nigricans) jumping while hooked up during the Hawaii International Billfish Tournament, Kailua Kona, Hawaii. Editorial use only.

Norbert Wu / Blue Marlin (Makaira nigricans), Bahamas, Caribbean

Norbert Wu / Blue Marlin (Makaira nigricans), Bahamas, Caribbean

Pete Oxford / Marlin (Makaira mazara) and Striped Marlin (Tetrapturus audax) in the area's largest fish market for artisanal fishermen, Santa Rosa Fishing Village, Santa Elena Peninsula, Ecuador

Norbert Wu / Marlin (Makaira mazara) juvenile pair haven't yet developed long bill

Jeff Rotman / Diver approaching Black marlin {Makaira indica} caught on longline fishing hook, Cocos Island, Costa Rica, Pacific Ocean, WHS Model released.