Dugongs
http://www.gbrmpa.gov.au/corp_site/info_services/publications/dugong/

A good source of information and photos of dugongs. Information under the following headings: What is a dugong? People and dugongs Threats Actions Dugong sanctuaries Maps of sanctuaries Modifications to fishing

Egg-capsules of sharks and skates
http://www.rajidae.tmfweb.nl/

Claims to be the only site looking at this topic. It is quite comprehensive.

Exotic Species & Ballast Water
http://massbay.mit.edu/exoticspecies/

Interested in Marine Bioinvaders, Exotic Species, Ballast Water, Aquaculture, etc then this is the place to start! Produced by the Massachusetts Institute of Technology Sea Grant College Program.

Fish - Student Stuff
http://www.austmus.gov.au/fishes/students/index.htm

From the Australian Museum. This site contains two fish dissections, information on fish adaptations and scales, a fish key, a fish memory game and a Fish Collection Tour.

FISH FINDER
http://www.fishnames.com.au

On the 'to do' list for 80 years, at last Australia has the Australian Fish Names Standard to ensure everyone is singing from the same song sheet.

The Australian Fish Names Standard AS SSA 5300 addresses these issues by assigning one Standard Fish Name for each species. It includes Standard Fish Names to be used in Australia for: over 400 commercial and recreational species of fish and invertebrates; over 4,000 other finfish found in Australian waters; and seafood species imported into Australia.