Size
10 - 20 feet in length.

Diet
A fierce predator that eats fish, rays, sharks, squid, octopuses and crustaceans. It has been known to be cannibalistic.

Habitat
Warm and relatively warm waters along the coastlines, the continental shelves and [upper part of the mesopelagic zone] to depths of about 260 feet.

Reproduction
Viviparous, giving birth to 20 - 40 pups about 27 inches long at birth.

General description
There are nine types of hammerhead: scalloped hammerheads are among the three species dangerous to humans. The others are the 20-foot-long great hammerhead and the smooth hammerhead. Scalloped Hammerheads can grow to about 14 feet, and often gather during the day in schools numbering in the hundreds. They swim in relatively warm water. They feed primarily on rays, fish, squid, snails small sharks and shrimp. Their menacing appearance has gained Hammerheads the notoriety of being the most recognized shark swimming in our waters.