Scalloped Hammerhead

The SCALLOPED HAMMERHEAD (called mano kihikihi) is one of the most abundant sharks in the Hawaiian Islands and the world.  It differentiates itself from the less commonly seen Smooth Hammerhead by the scalloped front edges of its hammer-like head.  

These sharks enter shallow bays between April and October to mate and give birth.  According to research, approximately 10,000 shark pups are born each season in Kaneohe Bay.  When born, they're about 1/2 yard long and feed on crustaceans and learn how to hunt while they remain in their natal grounds for about a year before venturing out on their own. 

Adult sharks are believed to feed primarily on squid in the open ocean.  Females tend to be 3-4 feet longer than males of this species, and can grow to be 13 feet.  

Tragically, these beautiful sharks are hunted every year more than any other shark species because of their fins.  We must do something to prevent these sharks from becoming endangered!

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Gray Reef Shark

The GRAY REEF SHARK (called mano) is a gray shark on its back and sides, and lighter below.  The dusky margin on the tail helps to distinguish them from the Galapagos Shark.  They are territorial sharks and act aggressively toward intruders, although they rarely bother divers. However, they show signs of upcoming attack if they hump their back, raise their head and drop their pectoral fins.  So fight the urge to take photos of these sharks if you see those signs, especially if your camera has a flash.  Instead, slowly and calmly withdraw, never taking your eyes off the shark.  

Although these sharks are common in the Indo-Pacific, they're not commonly seen in the Hawaiian Islands except around Molokini, off Mauai, and around Niihau.  Around Hawaii, most mating and pupping occurs between March and July, and the gestation is 12 months.  

Come dive with us and try to find one of these gray reef sharks and admire from a safe distance!!