SNIMar - Sistema Nacional de Informação do Mar
WoRMS - World Register of Marine Species
FishBase - Base de dados online sobre peixes
MarLIN - Marine Life Information Network
AlgaeBase - Base de dados global sobre algas
ZipcodeZoo - Enciclopédia online de História Natural
Habitas - Encyclopedia of Marine Life of Britain and Ireland
OBIS - Ocean Biogeographic Information System
EUNIS - European Nature Information System
AquaNIS - Online information system on the aquatic Non-Indigenous Species
Monaco Nature Encyclopedia - Monaco Nature Encyclopedia
EMODnet - The European Marine Observation and Data Network