After second year of mass shark deaths in SF Bay scientists zero in on cause
Beginning in March, and for the second year in a row, hundreds of sharks have washed up dead or dying along the shores of the San Francisco Bay. Primarily the species that have been most affected are Leopard Sharks and Bat Rays. Mass elasmobranch die-offs have periodically been recorded in the San Francisco Bay since 1967, but scientists now think they are narrowing the possibility to one species of fungus that fatally infects the brains of these species.
Call for entries: 2017 Raja Ampat Underwater Photo Contest
The 2017 Raja Ampat Underwater Photo Contest is calling for entries. The wide angle category is free for up to 5 entries, which must have been taken in the Raja Ampat region between August 2016 and August 2017. The contest has also added a new macro category that is only open to individuals who have booked onto several mandatory trips with the contest’s sponsor. The deadline for entries is 31 August 2017.
Issue 79 of X-Ray Magazine is available to download
Issue 79 of X-Ray Magazine is out! This edition features articles about diving the Great Lakes, Lake Malawi and Tioman Island. Rosemary E. Lunn covers the travel restrictions for those planing a visit to Egypt’s Red Sea and Steve Lewis describes his experiences of falling foul of the US visa The featured photographer is Becky Kagan Schott and Mike Johnson covers video use in black water diving.
Image: Orca Sunset by Jacques de Vos
Issue 96 of UwP Magazine is available
Issue 96 of Underwater Photography (UwP) magazine is now available to download. Featured in the May/June edition are reviews of the WeeFine Ring Flash, the results of Our World Underwater 2017 and an article about coral bleaching on the Great Barrier Reef. Locations covered include Papua New Guinea, Dumaguete, Mexico, Canada and the Farne Islands, UK. As always, there is lots of additional information about products, images and ideas.
Scientists discover what gives Antarctica’s Blood Falls their signature color
A team of scientists have uncovered the mysterious reason why Antarctica’s Blood Falls gets its signature color. A new paper published in the Journal of Glaciology shows that signature color is due to high levels of iron and a salty source lake underneath the glacier. Original theories pointed to red algae, but that was debunked by these recent findings.
Video: Atlantis by Howard Hall Productions
Filmmakers Howard and Michelle Hall of Howard Hall Productions have posted a short film shot during their recent trip to the Atlantas Resorts in Puerto Galera and Dumaguete, Philippines. The duo’s normal subjects tend to be larger creatures, so it is fascinating to see them apply their skills to macro. Music is by Shie Rozow.
Tutorial: Sharpening in Photoshop by The Photoshop Training Channel
- Instagram now supports landscape oriented photos (via )
- LOKI portable camera rig (via )
- Nikon offers free maintenance initiative (via )
- Apple updates camera RAW support (via )
- MIT designed camera that will never overexpose (via )
- Sargassum covers Caribbean beaches (via )
- This dSLR spent 2 years at the bottom of a lake (via )
- NG photo of the day by Christopher Michel (via )
- The focal camera: an open source modular camera (via )
- Shade balls and California’s drought (via )