Effects of Ocean Acidification on Marine Species & Ecosystems
Ocean acidification can harm many marine species that form calcium carbonate shells or skeletons, such as plankton, sea snails, sea urchins and brittle stars. It can also affect the survival, growth and behavior of fish, squid and other …
Effects of Ocean Acidification on Corals - Oceana USA
Ocean acidification reduces the ability of corals to build their skeletons and makes them more vulnerable to bioerosion. This threatens the survival of millions of marine species that depend on coral reefs and their ecosystem services.
Leaf Sheep - Oceana
The leaf sheep is a tropical coral reef animal that grazes on algae and stores its chloroplasts in its cerata. It can perform photosynthesis and has chemical defenses against predators. Learn more about this unique nudibranch and how to protect its habitat.
Swordfish - Oceana
Swordfish are aggressive predators that eat tiny zooplankton, bony fishes and squids as they grow. They have a specialized blood vessel structure that allows them to hunt in cold, deep water and are fished heavily throughout their range.
Tell World Leaders to Tackle the Climate Crisis - OCEANA
Oceana protected over 4 million square miles of ocean and innumerable sea turtles, sharks, dolphins, and other sea creatures – but there is still more to be done. Donate to Oceana today to protect the world's oceans.
Plastics: Frequently Asked Questions - Oceana Europe
Learn about the sources, impacts and solutions of plastic pollution in the oceans from Oceana Europe, an international organization dedicated to ocean conservation. Find answers to 10 common questions on plastics, such as where they come from, how they affect marine life and what can be done to reduce them.
Spooky Swaps in the Seafood Industry | Oceana
Oct 8, 2024 · Oceana exposes the horror of illegal fishing and seafood fraud, which can deplete fish populations and mislead consumers. Learn about five common fish swaps and how to avoid them with seafood traceability.
Pacific Sardines - Oceana USA
FEATURED CAMPAIGN Plastic Pollution. Oceana campaigns to stop plastic pollution at the source — by working to pass local, state, and national policies that reduce the production and use of unnecessary single-use plastic and move toward refill and reuse systems.
Seagrass Bed - Oceana
Learn about seagrass beds, underwater ecosystems formed by flowering plants that rely on sunlight and clear water. Find out how seagrass beds support diverse marine life, provide coastal protection, and face threats from human activities.
Geoduck - Oceana
Geoducks are large, long-lived saltwater clams that filter feed and broadcast spawn. They are a valuable seafood species that is fished and farmed sustainably in the northeast Pacific Ocean.