很可能是条大马林鱼,或者剑鱼,或者鲨鱼.It could have been a marlin or a broadbill or a shark.剑鱼受伤后, 会跳出水面,身子不断摆动.The swordfish, when wounded, jump out of the water and thrash about....

“剑鱼”的英语可以翻译为：dorado ...