Search AquaNIC's photo holdings.

• Michael R. Martin's Phytoplankton Image Library - Excellent source of photographs of phytoplankton, zooplankton, and bacteria.
• Photomicrographs of Phytoplankton - provides a photographic index of the phytoplankton found at the Clemson Aquaculture Facility maintained by Scott Davis, Clemson University, SC.
• Protist Image Data (PID) - Provides pictures and short descriptions of selected protist genera, especially those genera whose species are frequently used as experimental organisms or are important in studies of organismal evolution. The intent of PID is to provide up-to-date online information on the morphology, taxonomy and phylogenetic relationships of these organisms and is maintained in Canada
• Protist Image Data - Maintained in Japan
• Diatom Home Page - Intended as a central Web resource for those interested in, or actively conducting research on, the diatoms and related algae. This page contains information of general interest to diatomists and other psychologists along with links to other useful Internet resources and is maintained by Indiana University.
• Digitized Algae Image Archive - Archive consists mostly of light images of cleaned diatoms generated by David W. Johnson and Rex Lowe. There's also an archive of diatom scanning electron micrographs. The light images are archived by collection site.
• Pfiesteria piscicida - University of Maryland
• Euglena - Great Euglena site maintained in Japan.

Crayfish

• The Crayfish Burrow - Excellent site with many pictures of crayfish from the University of Kuopio
• Crayfish Photo Gallery - Excellent site with many pictures of crayfish from Brigham Young University
• The Crayfishes of West Virginia - Taxonomic List and Photos
• The Crayfishes of Missouri - Informative site with pictures maintained by William Pfleiger, Senior Fisheries Research Biologist in Columbia
• Identifying Freshwater Crayfish - Excellent site to identify crayfish maintained by Fisheries Western Australia
• Crayfish Photo Gallery - Whitney Stocker - Affectionately known on the internet as The Appalachian Man is naturalist/zoologist and professionally who studies crayfish systematics for the Biology Department of Denison University in Granville, Ohio.
• Giant Tasmanian Lobster - Informative site with great photos
• Spiny Freshwater Crayfish - Informative site by Native Fish Australia

Fish, Crayfish,  Plants, Production Systems and Others

• Auburn University Department of Fisheries and Allied Aquacultures Image Gallery.
• Alaskan Seafood Marketing Institute's Feast for the Eyes - Pictures of shellfish and salmon
• American Fisheries Society Fish Photograph Catalog - May be ordered from the American Fisheries Society
• Aquatic and Wetland Plant Photographs - University of Florida Aquatic and Wetland Plant Information Retrieval System
• Michael R. Martin's Aquatic Plant Image Library - The included families/genera represent those Michael
  has typically seen over the years while conducting aquatic plant surveys on lakes and
  ponds in NY and NH, those that contain invasive species of concern, or those that contain
  exciting rarely seen species
• Arizona Aquaculture - Pictures of farms, fish, and other aquaculture related photographs - Maintained by Kevin Fitzsimmons at the University of Arizona
• FDA's Fish Encyclopedia - Very good but very large photographs of many species of commercial food fish.
• Finfish Images - Delaware Sea Grant
• Florida Fish and Wildlife Conservation Commission - Small collection of fish photographs
• Florida Marine Fisheries - Collection of salt water sportfish photos and drawings
• From the Blue Pasture - Courtesy of Vidar Vassvik.
• The Gallery - Pictures of Atlantic Salmon of Maine's Facilities
• Illinois - Indiana and Mississippi-Alabama Sea Grant  photographs taken by LaDon Swann (now with MS-AL Sea Grant).
• Shellfish and other aquaculture photographs taken by Joseph Buttner at Salem College
• Louisiana - Cooperative Extension Service has over 300 photographs complied by Jimmy Avery.
• Minnesota Sea Grant Pictures - 500 high-quality images were painstakingly gathered from 30 agencies by Minnesota Sea Grant and the U.S. Environmental Protection Agency Great Lakes National Office.
• National Marine Fisheries Service - Many large line drawings of salt water fish of the southeastern Atlantic coast.
• Nesfiskur - Pictures of marine products.  Courtesy of Ingvar Nielsson
• NOAA Library On-Line Photographs - Hundreds of marine life, weather phenomena, instrumentation, ships, ocean scenes and much many more photographs. 
• Shellfish Images- Delaware Sea Grant
• Singapore - Fish Farms
• Southern Illinois University at Carbondale - Research photographs provided by students from SIU-C.
• Texas A&M University - Cooperative Extension Service complied by Jim Davis
• Tilapia Strains - Fish one is a red strain niloticus, second fish is a Red Butterball of mossambica, third fish is a red strain of mossambica, and the fourth fish is a black butterball strain of hornorum.  Photographs taken by Mike Sipe, Florida
• University of Idaho Cooperative Extension Service - Complied by Gary Fornshell
• Underwater photographs - Maintained by Mark Rosenstein of Fish Information Service (FINS)

Ornamental Fish

• Fish Index - A photo gallery of fish 
• Marine Fish Catalog - Maintained by Mark Rosenstein of Fish Information Service (FINS)
• Just Aquaria Web Site (JAWS) - Fish Picture Archive
• Gallery of Cichlid Pictures - Cichlid Research Home Page
• Goldfish Photographs - Tung Hoi Aquarium Company Gallery

Please note: some of the photographs are located on AquaNIC while others are links to other sites.