sentences:  Juveniles and pups thrive in shallow coastal waters, such as bays and mangroves, which provide shelter from predators and waters high in nutrients from deposited sediments.Research carried out by the non-government organisation Misión Tiburón, using conventional and acoustic shark tagging methods, found that adult scalloped hammerheads migrate from the pelagic waters surrounding Cocos Island to the mangroves in the tropical fjord of Golfo Dulce - a tropical fjord on the pacific coast of Costa Rica.Here, female sharks give birth to live young