"Tetrapturus albidus" was the accepted name for white marlin until 2006. The lifespan of white marlin has been identified as 15 or more years. Nearly indistinguishable from white marlin, most tournaments treat hatchet marlin catches as white marlin. Ocean City, Maryland, is known as the White Marlin Capital of the World. The two vessels ("Black" and "White Marlin") were commissioned on 1999.. The Atlantic blue marlin and the White marlin are endangered owing to overfishing. White marlin fishing is a multimillion-dollar organization in well-developed countries. White marlin scales are more rigid and rounded on the posterior region of the scale. Prior to 2001, roundscale spearfish and white marlin were identified as the same species. White marlin have a set of similar pectoral fins and pelvic fins. White marlin are commonly misidentified as roundscale spearfish ("Tetrapturus georgii"). In 1860, Felipe Poey gave the white marlin the name "Tetrapturus albidus". White marlin are ram ventilators, which means they have to be constantly moving to breathe. The ship was then towed and loaded onto a semi-submersible vessel, "Dockwise White Marlin".