(Unrelated file photo) Drake Wreck Buoy in Church Bay, off Northern Ireland.

Michigan shipwrecks to be marked with buoys

The goal is to help preserve the state's shipwrecks by giving divers another option besides hooking a line directly onto the wreck, as is customary now.

"Putting a mooring buoy on a shipwreck is absolutely, hands-down, the best form of physical protection you can do for a wreck," Wayne Lusardi, a state maritime archaeologist at the Thunder Bay National Marine Sanctuary in Alpena, told Mlive.com

Rebreathers and Scientific Diving Proceedings

Rebreathers and Scientific Diving - Best Practice Procedures Now Available

The meeting was first proposed by the National Park Service (NPS), then quickly supported by National Oceanic and Atmospheric Administration (NOAA), Divers Alert Network (DAN), and the American Academy of Underwater Sciences (AAUS).

A number of key experts were involved in the Catalina Island event including Jeff Bozanic, Simon Mitchell and Richard Pyle.

Over the course of four days standards relating to practice, physiology, incidents and equipment evolution relevant to scientific diving with rebreathers were reviewed.

Giant Australian Cuttlefish

The giant Australian cuttlefish (Sepia apama) is the largest cuttlefish in the world, reaching up to half a metre in total length and weighing in at around 11kg. Solitary animals, they are found all along the coastline of the southern half of Australia—from Central Queensland on the eastern coast, right around the bottom of the continent and up to Ningaloo Reef in Western Australia.

Remoras: Shark Companions

While studying reef sharks in Tahiti, I became fascinated by the behavior of the remoras accompanying them. They were fish of the <i>Echeneidae</i> family, and ranged in size from a few centimeters to about 50cm long. They were pretty silver fish with widened heads, and often a black racing stripe.