The Marine Conservation Society FISHONLINE website can help you identify which fish are from well managed sources and/or caught using methods that minimise damage to marine wildlife and habitats.
IUCN Red List
The IUCN Red List of Threatened Species™ is widely recognized as the most comprehensive, objective global approach for evaluating the conservation status of plant and animal species. From its small beginning, the IUCN Red List has grown in size and complexity and now plays an increasingly prominent role in guiding conservation activities of governments, NGOs and scientific institutions.
Monterey Bay Aquarium
The non-profit Monterey Bay Aquarium has been open since 1984 and their mission is to inspire conservation of the oceans.