Remember, if you will tame one of of this sharks...
CLEAN ALL THE ZONE OF EVERY CRIATURES!!! AND YOU MIGHT KILL THE CELACANTOS AND SABERTHOOTH SALMONS!!!
When I did this time for first time, I didn't do it before, and I was at one second of have another dino in my cementery. It only have 100 of 3000 health when I usted my cryopod.