The ocean is becoming too loud for oysters

Human noise pollution interferes with baby oysters’ natural acoustic cues, hindering their settlement. While acoustic technology can aid oyster recruitment in quieter areas, it is less effective in noisy environments. Researchers are optimistic about its use in less trafficked areas. Read more here.

Foreign ship caught illegally fishing endangered sharks off Madagascar

The ship, named the Maab Aqua, was discovered fishing without a license. In the ship’s hull, authorities found 5,200 kilograms (11,464 pounds) of whole sharks, 70 kilograms (154 pounds) of shark fins, and 135 kilograms (297 pounds) of salted sharks. Read more here.

Important region of marine ecosystem in Southwest Atlantic is shallower than expected, study finds

Researchers determined for the first time the vertical limits of the subtropical ocean region off the South American coast. They found that the upper limit of the mesotrophic zone was was in fact in much shallower waters than previously assumed. Read more here.

Peruvian bills could imperil marine biodiversity and artisanal fishing, experts say

The proposals are being debated in Congress even as approval of the 2023 law’s regulations remains in limbo. Read more here.

China shows off ocean protection progress

China’s ecological conservation redlines have been fully laid out, the Ministry of Natural Resources announced on 22 April, Earth Day. Read more here.