The chondrichthyan Tree of Life Project provides an accurate account of extant diversity and a framework within which to make comparisons. It’s an incredibly way to get an overview of how species of sharks and rays are related.
The ultimate resource for information on the diversity and biology of Australia’s amazing marine and freshwater fishes. The family finder has been so useful.
Some of the large whales can be identified by their blow, surfacing and diving characteristics. Use this chart as a quick reference guide to identify the large whales you see.
Area specific resources:
The Port Phillip Taxonomic Toolkit provides information, data, images and tools to help identify, document and monitor the rich marine life of this bay and nearby coastal waters
Image investigating the anatomical differences of cephalopod beaks and tentacles with regards to their diet.