The chapters of the ongoing Japanese manga series Black Lagoon are written and illustrated by Rei Hiroe and published in Monthly Sunday Gene-X . The series debuted in the magazine on April 19, 2002, and as of October 2009 the chapters have been collected into nine tankōbon volumes by Shogakukan .
Black Lagoon was adapted into a two season television anime by Madhouse and aired on Chiba TV for 24 episodes. Season one, consisting of 12 episodes, from April 8, 2006 to June 24, 2006, and season two from October 3, 2006 to December 19, 2006. A five volume original video animation was also released from July 17, 2010 to June 22, 2011.
The in North American English-language release of the manga is controlled by Viz Media , who published the first volume on August 12, 2008. Madman Entertainment distributes Viz's release of the series in the United Kingdom. Black Lagoon has also received domestic releases in France, Germany, Hong Kong, Italy, Singapore, South Korea, Spain, Mexico, Poland and Finland, by Kabuto, Carlsen, Jade Dynasty, Panini Comics, Chuang Yi, Haksan Publishing, Norma Editorial, Grupo Editorial Vid, Waneko and Punainen jättiläinen respectively.