ing a trainer around the pool Her teeth sank into his wetsuit but missed his leg“ Pemberton described both young female Skana and her male companion Hyak II as “moody“ but stated that Skana was the dominant animal in the pool“She is capable of changing moods in minutes“

1980s

On February 23， 1984， a 7yearold female orca by the name of Kandu V grabbed a SeaWorld California trainer， Joanne Hay， and pinned her against a tank wall during a performance Hay was only released after another trainer jammed a fist into the whales blowhole

In November 1986， trainer Mark Beeler was held against a wall by Kandu V during a live performance

In 1986， an unidentified Marineland of Canada trainer was taken to the hospital after he fell off the parks male killer whale， Kandu 7 not to be confused with Kandu V， and was dragged by his leg around the pool during a trick

In 1986， a 4yearold female orca， Nootka V not to be confused with Nootka IV， hit an unidentified MarineLand， Ontario trainer in the head with her pectoral fin during a show According to a former trainer， the whale had a habit of leaping out of the water in an attempt to strike trainers by the pool in the chest

1987年 3月 4日，20岁的圣地亚哥海洋世界训练员乔纳森·史密斯被公园里一头重达 54吨（6短吨）的虎鲸抓住。逆戟鲸将驯兽师拖到水槽底部，然后带着流着血的他一路回到水面，然后把他吐了出来。当第二只逆戟鲸撞向史密斯时，史密斯向人群挥手致意。他继续假装自己没有受伤，因为鲸鱼反复将他拖到体育场游泳池的底部。史密斯全身被割伤，肾脏破裂，肝脏有 6英寸的裂伤，但他设法保住了性命逃离了游泳池。后来的报道表明，参与袭击的鲸鱼是 10岁的雌性 Kenau和 9岁的雌性 Kandu V。

1987年 6月 15日，29岁的圣地亚哥海洋世界训练员乔安妮·韦伯Joanne Webber在一次训练中因 Kandu V落在她身上并将她推到泳池底部而导致颈部骨折。韦伯有五年与逆戟鲸打交道的经验。

1987年 11月 21日，驯兽师 John Sillick骑在一头雌性虎鲸的背上，这时一头重达 5吨的雄性 Orky II跳下并落在他身上。Sillick不得不接受多次手术；他的背部、臀部、骨盆、肋骨和腿部严重骨折。该事件导致海洋世界总裁和其他 3名员工被解雇。在接受采访时，他说，“我又开始学习走路了。”

1989年 4月 1日，位于不列颠哥伦比亚省维多利亚的Sealand of the Pacific的 Nootka IV将她的训练师 Henriette H