 The diet of bigfin reef squids comprises mainly crustaceans and small fish . They are found in the temperate and tropical waters of the Pacific and Indian Oceans , and have recently been introduced into the Mediterranean as a Lessepsian migrant . They are commonly found near the shoreline , near rocks , and coral reefs . They are fished in vast quantities for human food in Asia . Because of their rapid growth rate , short life span , and tolerance to handling and captivity , bigfin reef squids are regarded as one of the most promising species for mariculture . They are also a valuable source of giant axons for medical research . 
