Massive increase in the number of species with identification images and colour documentation to enable colour-based searching.
Only 6 fish remain undocumented. Almost all nudibranchs are also documented. There are also many more usable descriptions of marine snails and shellfish. That said, extra points if you find a species that is not included in this guide. Just make sure you let us know and send us the pictures!
Picture book app appeared a collection of dangerous creatures that have a deadly poison! !
Fishes of Russia - the most complete encyclopedia of Russian fish. Habits, descriptions, etc.