New paper suggest great whites live longer and mature slower
A new paper published in the journal Marine and Freshwater Research has suggested that great white sharks (Carcharodon carcharias) only reach sexual maturity at age 26 for males and 33 for females. In addition the paper suggest that great whites grow slower and live longer then had been previously thought, with a possible life expectancy of 70 years. Aging was carried out by counting “band pairs” of growth on shark vertebrae. (Image from Shutterstock)
Tiny Oregon fish is first to be removed from endangered species list
The Oregon Chub is officially the first fish to be removed from the list of endangered species because it is no longer in danger of becoming extinct. The tiny fish, found in the Willamette Valley, required help when the small ponds it lives in all but disappeared over the past 150 years.
Sony shows new FE lens prototypes
DPReview has posted images of several prototype lenses on the Sony stand at the CP+ show. The new E mount lenses are designed for full-frame Sony mirrorless cameras and include the FE 90mm f/2.8 Macro G OSS and a 28mm F2 primes, the latter with 16mm fisheye and 21mm wide-angle adaptors. (Images by DPReview).
Results of UPY 2015 announced
The Underwater Photographer of the Year 2015 results were announced during a ceremony at the London Dive Show last weekend. The overall winner was Nuno Sá, with his macro portrait of a seahorse entitled “50 Tons of Me”, a reminder about the commercial harvesting of seahorses. Hearty congratulations to all the winners and especially to the many members of the Wetpixel community in the rankings.
Video: Steve Perry on lens diffraction
Serif launches Affinity Photo
Serif has launched a beta version of Affinity Photo, which the company claims, is a pro competitor for Photoshop. It features an up-to-date code architecture, powerful selection tools, a depth of field tool and infilling (similar to Content Aware Fill). The beta is only for Mac and is available as a free download. Upon its release, Affinity Photo will cost $50 to purchase, which includes two years of free updates/upgrades.
Daily updates from Three Sisters Spring available on Facebook
The influx of large numbers of manatees into the the Three Sister Springs area of Crystal River has lead to it being closed to visitors several times over the past few weeks. In order to try and disseminate information about its closure, the US Fish and Wildlife Service (FWS) will be posting daily updates on its Crystal River National Wildlife Refuge Facebook page.
New study shows why oyster recovery in Chesapeake Bay is struggling
- RED Dragon sensor outperforms Nikon D800e in DxO tests (via )
- March issue of DIVE magazine is now available (via )
- Issue 77 of UwP magazine is now available to download (via )
- Underwater photography tips from Outside magazine (via )
- Video: Amateur photographer tracks the decline in mirrorless… (via )
- New suit allows diving to 1,000 feet (305m) (via )
- Best UW compact cameras 2014 (via )
- Bloomberg’s Vibrant Oceans invests 53M (via )
- Full contact whale watching (via )
- Chilean fossil whale graveyard explained (via BBC)