first of all and i do not understand why any movie make in mexico get this bad and cheesy and laughable comment . i have watch this movie several time and it good than the killer shark movie produce now a day by the sci fi channel . the plot be simple yet effective and the acting be what you would expect from a 70 movie . the shark attack ( specially the one at night next to the boat with a real shark ) be really believable and it achieve it goal of scar the crowd in my personal point of view . the only thing i do not like be the excessive nudity and although it keep it groovy to say the least . a good saturday night pop corn flick if you have no plan to go out or if you just want to have a good time while cuddle in the couch .