Can Fish Eco-Labeling be Trusted?

Programs that provide sustainable certification for fisheries may be too generous with their accreditation.

Written byJef Akst and Edyta Zielinska
| 2 min read

Register for free to listen to this article
Listen with Speechify
0:00
2:00
Share

WIKIMEDIA COMMONS, EM-JAY-ES

A new report published online last week criticized two major fisheries certification programs, the Marine Stewardship Council (MSC) and the Friend of the Sea (FOS), for certifying stocks of fish that may not be sustainable.

Fisheries biologist Rainer Froese of the Helmholtz Centre for Ocean Research in Germany and Alexander Proelss of the University of Trier came to their conclusion after examining 71 MSC-certified stocks and 76 FOS-certified stocks of mackerel, swordfish, tuna, and other species. In total, 31 percent of the supposedly sustainable MSC stocks and 19 percent of FOS stocks are not worthy of the label.

“We’re putting [the certification programs] under a lot of pressure and we hope that will work,” Froese told Nature. “I want to improve them, not to kill ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Related Topics

Meet the Author

  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

    View Full Profile
  • The Scientist Placeholder Image
    This person does not yet have a bio.View Full Profile
Share
Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026, Issue 1

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

View this Issue
Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs
Graphic of three DNA helices in various colors

An Automated DNA-to-Data Framework for Production-Scale Sequencing

illumina
Exploring Cellular Organization with Spatial Proteomics

Exploring Cellular Organization with Spatial Proteomics

Abstract illustration of spheres with multiple layers, representing endoderm, ectoderm, and mesoderm derived organoids

Organoid Origins and How to Grow Them

Thermo Fisher Logo

Products

Brandtech Logo

BRANDTECH Scientific Introduces the Transferpette® pro Micropipette: A New Twist on Comfort and Control

Biotium Logo

Biotium Launches GlycoLiner™ Cell Surface Glycoprotein Labeling Kits for Rapid and Selective Cell Surface Imaging

Colorful abstract spiral dot pattern on a black background

Thermo Scientific X and S Series General Purpose Centrifuges

Thermo Fisher Logo
Abstract background with red and blue laser lights

VANTAstar Flexible microplate reader with simplified workflows

BMG LABTECH