Showing posts with label Hammerhead Shark. Show all posts
Showing posts with label Hammerhead Shark. Show all posts

Thursday, May 20, 2010

Scalloped Hammerhead


Family Sphyrnidae, HAMMERHEAD SHARKS Sphyrna tiburo

Description: fifth gill slit shorter than 4 preceeding ones and located posterior to pectoral fin base; flattened head extending to hammer-like lobes on each side; distinct indentation of the front margin of the head at its midpoint; second dorsal fin longer than tail; gray-brown to olive in color with white underbelly; teeth smooth-edged; pectoral fins tipped with black on the undersurface; tips of first and second dorsal lobes and caudal also may have dusky tips; pelvic fin with nearly straight hind margin.

Similar Fish: other hammerhead sharks.

Where found: both OFFSHORE and INSHORE.

Size: common to 6 feet and can reach 14 feet.


*Florida Record: n/a

Remarks: predatory fish, feeding mainly on fish, squid, and stingrays; male matures at about 6 feet in length.

* The Florida records quoted are from the Department of Environmental Protection's printed publication, Fishing Lines and are not necessarily the most current ones. The records are provided as only as a benchmark.

Bonnethead Shark


Family Sphyrnidae, HAMMERHEAD SHARKS Sphyrna tiburo

Description: broadly widened head in the shape of a shovel; only slight indentation of anal fin; front of head not notched at midline; gray or grayish-brown in color.

Similar Fish: other hammerhead sharks.

Where found: INSHORE species found in bays and estuaries.

Size: commonly 3 to 4 feet.


*Florida Record: n/a

Remarks: matures at about 3 feet in length and bears 6 to 12 young at one time; feeds chiefly on crabs and other crustaceans.

* The Florida records quoted are from the Department of Environmental Protection's printed publication, Fishing Lines and are not necessarily the most current ones. The records are provided as only as a benchmark.