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Marine Biology

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Karenia Mikimotoi Bloom Covers Much of Maine Coast and Reaches Toward Massachusetts

Sampling under way will measure harm to shellfish and finfish to guide local responses.

Humpback Whale Tracked 60 Miles Inland in Sacramento–San Joaquin Delta

Researchers Document Humpback Mother Attending Stillborn Calf Off Australia

Human-Made Litter Found in Mar del Plata Submarine Canyon

Whale Shark Spotted 30 Miles Off Southern California Coast

Red Tide Confirmed Near Crystal Beach; About 10,500 Fish Found Dead

Chunky Jurassic Belemnite Wyoteuthis linsterorum Described from Wyoming

MBARI Films First Live Bigfin Squid in Northeastern Pacific

Seahorse Portrait Wins Ocean Photographer of the Year 2026

TPWD Says Rain-Driven Oxygen Drops Likely Caused Fish Kills in Houston Bayous

Smaller Steller Sea Lion Hauls Onto Pier 39, Distinct From Viral 'Chonkers'

Endangered Whale Sharks Surface Inches From Tour Boat Off New York Coast

Two More Belugas Die at Shedd Aquarium, Bringing Total Losses to Three

Study Finds Parasites in 96% of Skipjack Tuna From Single Brazilian Haul

Mauve Stinger Jellyfish Move Closer to Jersey Shore and Rockaways

Global Coral Cover Falls as Bleaching Strikes Too Often, GCRMN Says

Pilchard Herpesvirus Detected as Sardine Die-Offs Spread Along South African Coast

Rescued Beluga Peekachu Dies at Shedd Aquarium

Italy Releases 130,000 Baby Octopuses to Curb Blue Crab Invasion

Seven Ancient Shark Species Identified in Egypt’s Abu‑Tartur Phosphate Beds