This level is for aquarists who are considering their first saltwater aquarium or have just recently started in the hobby should begin with beginner level coral. The coral below are all beginner level.
Blue Corals
This level is for those who have successfully reached the 6-month to 1-year mark and may start attempting to introduce some intermediate level fishes, beginner and intermediate level corals, and other intermediate level invertebrates into their tank. The coral below are all intermediate level.
Gorgonians
Mat Polyps
Stony Corals
Acanthastrea spp
Acropora efflorescens
Acropora millepora
Acropora spp
Acropora valida
Alveopora spp
Blastomussa merleti
Blastomussa wellsi
This level is for those who are dedicated, knowledgeable, and prepared to meet all the expert-only animal's husbandry needs. Even with years of experience, expert level animals can be difficult to wean onto a captive diet and may require many feedings per day, specialized feedings, or very specific environmental conditions. The coral below are all expert-level.

Heliopora spp
Clavularia spp
Pachyclavularia spp
Actinodiscus spp
Rhodactis spp
Lobophytum spp
Sarcophyton spp
Sinularia spp
Sinularia dura
Acanthastrea lordhowensis
Caulastrea curvata
Caulastrea furcata
Cynarina deshayesiana
Cynarina lacrymalis
Diploastrea heliopora
Duncanopsammia axifuga
Euphyllia cristata
Euphyllia paradivisa
Favia spp
Favites spp
Fungia spp
Lobophyllia hemprichii
Lobophyllia spp
Physogyra lichtensteini
Platygyra spp
Polyphyllia spp
Scolymia vitiensis
Trachyphyllia geoffroyi
Tubastrea spp
Turbinaria peltata
Turbinaria spp
Parazoanthus spp
Protopalythoa spp
Zoanthus spp
Murcieopsis spp
Tubipora musica
Ricordea florida
Ricordea yuma
Condylactis spp
Entacmaea quadricolor
Heteractis spp
Macrodactyla doreensis
Anthelia spp
Cladiella spp
Sarcophyton elegans
Sinularia flexibilis
Xenia spp
Catalaphyllia jardinei
Echinophyllia spp
Euphyllia ancora
Euphyllia divisa
Euphyllia glabresens
Euphyllia parancora
Galaxea fascicularis
Goniopora spp
Heliofungia actiniformis
Montipora capricornis
Montipora nodosus
Montipora spp
Pavona decussata
Symphyllia spp
Trachyphyllia radiata
Diodogorgia spp
Heteractis crispa
Heteractis magnifica
Stichodactyla gigantea
Stichodactyla haddoni
Dendronephthya spp
Merulina amplicata
Turbinaria reniformis