Main Menu
Join Undercurrent on Facebook

The Private, Exclusive Guide for Serious Divers Since 1975 | |
For Divers since 1975
The Private, Exclusive Guide for Serious Divers Since 1975
"Best of the Web: scuba tips no other
source dares to publish" -- Forbes
January 2023    Download the Entire Issue (PDF) Vol. 49, No. 1   RSS Feed for Undercurrent Issues
What's this?

Flotsam & Jetsam

from the January, 2023 issue of Undercurrent   Subscribe Now

Subscriber Content Preview
Only active subscribers can view the whole article here

Technology May Save Sharks from Longlines. Sharks are a massive casualty of longline tuna fishing, but a new device has shown promising results in reducing the number accidentally slaughtered. SharkGuard, a cylindrical device attached to baited lines, emits a three-dimensional electric field that repulses sharks and rays. During testing in 2020 by two fishing vessels off the coast of France, shark bycatch fell by more than 90 percent, while rays snared were reduced by more than 70 percent.


Citizen Action in Bonaire. Dee Scarr found a load of broken glass and crockery under one of the cruise piers, and she and other divers began collecting and storing it in the yard of her Bonaire home. So far, they have pulled up about 250 pounds, roughly half of what was dumped. From the wine labels retrieved, she learned that only one cruise line serves those wines and is tracking down the ship that illegally dumped the trash. Because the trash is under a cruise pier, getting permission to continue the cleaning is tough, but when she gets it hauled out, you can bet the cruise line and the government will hear from her. Good work, detective....

Subscribers: Read the full article here

Get more dive info like these and other important scuba updates sent monthly to your email.
And a FREE Recent Issue of Undercurrent

Free Undercurrent Issue
Get a free
monthly email and
a sample issue!



I want to get all the stories! Tell me how I can become an Undercurrent Online Member and get online access to all the articles of Undercurrent as well as thousands of first hand reports on dive operations world-wide

Find in  

| Home | Online Members Area | My Account | Login | Join |
| Travel Index | Dive Resort & Liveaboard Reviews | Featured Reports | Recent Issues | Back Issues |
| Dive Gear Index | Health/Safety Index | Environment & Misc. Index | Seasonal Planner | Blogs | Free Articles | Book Picks | News |
| Special Offers | RSS | FAQ | About Us | Contact Us | Links |

Copyright © 1996-2023 Undercurrent (
3020 Bridgeway, Ste 102, Sausalito, Ca 94965
All rights reserved.