Tanya Houppermans: Sand Tiger Sharks
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tutvid posts 4 hours of free Photoshop tutorials
YouTube Channel tutvid has posted 4 tutorials with over 4 hours of in-depth details about 30 techniques within Photoshop that are useful to photographers. Entitled “30 Techniques Every Photographer/Retoucher Needs to Know!” the mini course is free to view.
NOAA Launches Virtual Dive Gallery
The National Oceanic and Atmospheric Administration (NOAA) has posted a Virtual Dive Gallery that features 360° virtual reality images of five U.S. National marine sanctuaries. Currently featured are: The ship graveyard of Thunder Bay in Lake Huron, the Florida Keys, Gray’s Reef in Georgia, Flower Garden Banks in the Gulf of Mexico, and the coral reefs around American Samoa.
Free Online Shark Course returns
Cornell University and The University of Queensland have announced that they will be running their Sharks! Global Biodiversity, Biology, and Conservation online course again. The course starts on 25 July and is completely free, although it is possible to purchase an optional completion certificate for $49. It will run over a total of 4 weeks, with 4 to 6 hours required per week.
Jellyfish Lake closure announced
The Republic of Palau government has announced that the famous Jellyfish Lake (Ongeim’l Tketau) will remain closed to visitors. Severe drought had affected the numbers of endemic golden jellyfish in early 2016, and the continued closure is to allow the authorities “to better understand the factors negatively impacting the Jellyfish Lake and to inform appropriate policy decisions and management actions.” (Image from Shutterstock.)
How blue whales became the largest animals to ever live on earth
In a study published this week in the Proceedings of the Royal Society B scientists have zeroed in on the cause and effect of blue whales colossal size. The scientists equated whale gigantism to climatic change and greater food source. Since baleen whales such as blues, fins, and bowhead whales filter feed on small organisms, a boom in krill and other similar food sources sparked the leap to giant size. Prior to the boom, which correlated with ice sheets covering the Northern Hemisphere 4.5 million years ago, blue whales were a fraction of the size they are today.
Video: Rare megamouth shark filmed off Japan
Japanese fisherman in the Chiba prefecture caught a rare megamouth shark in their net this past week. The fishermen notified local divers to assist them in freeing the extremely rare fish from their nets and were successful as the megamouth shark swam off “vigorously”. Video of the released shark was captured by Japanese diver Hiroyuki Arakawa.
Hugyfot announces Vision housing for HERO5
Hugyfot has announced their Vision housing for the GoPro HERO5. Constructed of aluminum, it is rated to 200m (650 feet) and has an integrated 7” HDMI monitor along with a 2 Li-ion battery packs that allow for 5 hours of shooting. It is supplied with Hugyfot’s wing tray and handles with 1” ball mounts and a red flip filter.
Video: Shrimp eat Shrimp by Pim van Schendel
Murex Dive Resort manager, Pim van Schendel captured this amazing behavior footage at Rojos, Lembeh Straits last Tuesday. It shows the emperor shrimp (Zenopontonia rex) using a leopard sea cucumber (Bohadschia argus) not only for transportation, but also as a means of hiding its approach to prey species
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