News Bites – January 2016

Bye bye back plates: sea slug autotomy EPA approves lamprey “pheromone biopesticide” How do you ship a blue whale heart across the Atlantic? “Seaweed Economics 101” Warm waters changing shark colors Narwhal calves, in...

News Bites – December 2015

Ancient salmon on Canada’s east coast “Pacific Groundfish Boom and Bust” Over 1000 species, in one lake Tracking eels, “earth’s guts” “The more humanely a fish is killed, the better it tastes” Have you...

STUDY: Marine reserves fail to protect most species

The world’s current network of marine protected areas is not effective at conserving most ocean species, according to a new study that analyzes how such reserves safeguard marine diversity. Published yesterday in Nature‘s Scientific Reports, the study aims...

Study shows ‘whole body’ of marine ecosystems

An international team of researchers has devised a way to look at the cumulative effects of coastal threats, such as oil spills and overfishing. A study published yesterday in Trends in Ecology and Evolution identifies common patterns in...

STUDY: Warming oceans create long-lasting dead zones

Abrupt warming in the north Pacific Ocean that occurred during the transition from the last ice age to the Holocene about 11,500 years ago led to the expansion of dead zones, a recent study published in Nature found....

•USA: Fishermen sue NOAA over at-sea monitors

Northeast fishermen are suing the National Oceanic and Atmospheric Administration over a program that will soon require most groundfish boats to pay for their own at-sea watchdogs. The lawsuit — filed in the U.S....

• MARYLAND: Algae kills 200,000 perch, bass

Toxic algae, not chemicals, killed up to 200,000 fish in the Upper Middle River and tributaries near Baltimore last month, according to the Maryland Department of the Environment. The agency blamed the mass die-off...

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Fisheries Magazine – December 2015

Highlights of Fisheries Magazine – December 2015 In this Issue: • President’s Column The Big AFS Tent • Policy Column Lessons from the Greater Sage Grouse and Oregon Chub • Backpage Otoliths: The Gift...

X-ray of Pacific Halibut (arrow points to otolith). Photo credit: IPHC.

Otoliths: The Gift That Keeps on Giving New Data

Natalie Sopinka, AFS Contributing Writer, E-mail: natsopinka@gmail.com Throughout the last 28 years, Joan Forsberg has spent approximately 29,000 hours looking at a particular structure in a fish’s head, the otolith. Colloquially referred to as a fish’s...