Provided by the U.S. Fish & Wildlife Service, ECOS "The Environmental Conservation Online System (ECOS) is a gateway web site that provides access to data systems in the Endangered Species and Fisheries and Habitat Conservation program areas, as well as other FWS and Government data sources."
"FishBase is a relational database with information to cater to different professionals such as research scientists, fisheries managers, zoologists and many more. FishBase on the web contains practically all fish species known to science."
"The goals of the IUCN Red List are to: (1) Identify and document those species most in need of conservation attention if global extinction rates are to be reduced; and (2) Provide a global index of the state of change of biodiversity."
"[A]n authoritative source for information on more than 70,000 plants, animals, and ecosystems of the United States and Canada. Explorer includes particularly in-depth coverage for rare and endangered species."
"Here you will find authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world. We are a partnership of U.S., Canadian, and Mexican agencies (ITIS-North America); other organizations; and taxonomic specialists."
An international organization with a goal to "strengthen and facilitate communication and information exchange on high priority topics and emerging issues within the diverse global aquaculture community."