AMC Aquatic Sciences
- Organization offers education courses and information resources on fish biology, the marine environment, and related topics.
- http://www.aqualex.org/

Marine dipper
- The website of Dr Francis Dipper. She is a marine science writer, educationalist, marine biologist, underwater photographer and researcher.
- http://www.marinedipper.co.uk

European Seafloor Observatory Network (ESONET)
- This European funded organisation's aim is to develop a network of sea floor observatories around the European Ocean Margin in order to monitor the sub-sea environment.
- http://www.abdn.ac.uk/ecosystem/esonet/

Atlas of Deep-sea Megafauna
- Unpublished photographs from German deep-sea expedition to an abyssal Pacific manganese nodules site, made during the German DISCOL project ('DISturbance and reCOLonization experiment in the South Pacific' [DISCOL]).
- http://www.drbluhm.de/da_home.html

Marine Conservation Biology Institute (MCBI)
- Based on the West Coast of the United States, the MCBI website details international conservation projects and current environmental issues.
- http://www.mcbi.org/

AquaEcology
- Scientific environmental company for aquatic ecology offers biological, chemical and physical analyses in the aquatic environment, i.e. oceans, estuaries and lakes.
- http://www.aquaecology.de

Jan Geert Hiddink
- Researcher at School of Ocean Sciences, University of Wales in Bangor documents effects of North Sea trawling on fishing production. Sediment maps and bathymetry graphics. Complete text of doctoral dissertation on the bivalve Macoma balthica [PDF]. In Eng
- http://www.bangor.ac.uk/~ossc06

Johnsen Lab of Sensory Biology at Duke University
- Dr. Sonke Johnsen's research topics include bioluminescence, transparency of tissue, and specialized vision including polarization and ultraviolet. Photo gallery, course syllabi, publications.
- http://www.biology.duke.edu/johnsenlab

United Nations Atlas of the Oceans: Ecosystems
- Detailed printable chart plotting the effect of variables such as ocean-atmosphere energy exchanges on marine fisheries populations. Numerous links.
- http://www.oceansatlas.org/id/2385

Red Tide Alert
- Group based on Little Gasparilla Island on the Florida Gulf Coast collects news and research links about red tide and its toxic effects on humans, sealife and animals.
- http://www.redtidealert.com/

Planktos Foundation
- Works to conserve the worlds oceans. Information on ocean ecology, eco-assets, eco-solutions, and eco-markets.
- http://www.planktos.com/

Marine Ecology Images
- A marine ecology image gallery: San Salvador, Bahamas, the Everglades and Florida Keys.
- http://jrscience.wcp.muohio.edu/html/tropecoimages.html

Race Rocks Marine Protected Area
- Live streaming video and video archive highlight the ecosystem of this site of Canada's first Marine Protected Area.
- http://www.racerocks.com/

Deep Sea Pages
- Dr. Paul Yancey's description of deep sea habitats and photographs of the organisms found there.
- http://people.whitman.edu/~yancey/deepsea.html

Marine Biology Learning Center
- Comprehensive resources on fish, coral reefs, dolphins, oceanography, environmental health, and research opportunities.
- http://www.marinebiology.org

Marine Life Information Network
- The website of the Marine Biological Association of the UK and Ireland.
- http://www.marlin.ac.uk/