it exactly what the title tells you. an island inhabited by fishmen. shipwrecked doctor claudio cassinelli and crew land on the island and theyre either picked off by the fishmen or roped into working for treasure hunting lunatic richard johnson. cassinelli discovers that johnson and who believes he found the lost city of atlantis and has been keeping disgraced scientist joseph cotten and his daughter barbara bach hostage for 15 years so the fishmen can uncover a treasure trove beneath the sea. cotten and of course and is a complete madman. bach and cassinelli have great chemistry. this insanity was directed by sergio martino and is not and surprisingly and without merit. it fast paced and reasonably well acted and the fishmen look pretty convincing (though it unlikely anyone could prove that these things dont look like actual fishmen). there an excellent music score by luciano michelini. 
it exactly what the title tells you. an island inhabited by fishmen. shipwrecked doctor claudio cassinelli and crew land on the island and theyre either picked off by the fishmen or roped into working for treasure hunting lunatic richard johnson. cassinelli discovers that johnson and who believes he found the lost city of atlantis and has been keeping disgraced scientist joseph cotten and his daughter barbara bach hostage for 15 years so the fishmen can uncover a treasure trove beneath the sea. cotten and of course and is a complete madman. bach and cassinelli have great chemistry. this insanity was directed by sergio martino and is not and surprisingly and without merit. it fast paced and reasonably well acted and the fishmen look pretty convincing (though it unlikely anyone could prove that these things dont look like actual fishmen). there an excellent music score by luciano michelini. ---------------------------------Answer Question Below----------------------------------

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