coral.aims.gov.au
www.spongeguide.org
www.poppe-images.com
reefguide.org
www.nova.edu
oceanrealmimages.com
fishbase.org/search.php
www.sealifebase.org
www.marinespecies.org
www.kudalaut.eu
De koraalriffengids by E.Lieske & Robert F. Myers
Rode zee riffengids by H.Debelius
Reef fish identification – tropical pacific by G.Allen, R.Steene, P.Humann & N.Deloach
Reef creature identification – tropical pacific by P.Humann & N.Deloach
Dominicus OW – De rode zee en de Indische oceaan by S.Weinberg
Indo-pacific coral reef field guid by G.Allen & R.Steene
Diving in Canaries by S.Hanquet
Indian ocean reef guide by H.Debelius
Nudibranchs of the world by H.Debelius & R.Kuiter
Mr Peter Bor
Mr Andreas Kroh
Ms Karen Sanamyan
Ms Daphne Fautin
Mr Leen van Ofwegen
Mr Peter Davie
Mr Gustav Paulay
Mr Charles Messing
Mr Nicolas Bailly