The Complete Idiot’s Guide to Saltwater Aquariums

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 fishes and invertebrates. The fish below are all beginner level.

Lionfishes

Pterois volitans

Squirrelfishes, Soldierfishes, Bigeyes, & Catalufas

Myripristis jacobus
Myripristis vittata
Myripristis tiere

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 fish below are all intermediate level.

Basslets, Spiny Basslets, & Grammas

Gramma brasiliensis
Gramma melacara

Snappers & Fusiliers

Caesio xanthonota

Squirrelfishes, Soldierfishes, Bigeyes, & Catalufas

Heteropriacanthus cruentatu
Sargocentron xantherythrum

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 fish below are all expert-level.

Basses (including Anthias, Hamlets, & Groupers)

Grammistes sexlineatus
Pogonoperca punctata

Blennies & Blennylike Fishes

Exallias brevis

Butterflyfishes

Chaetodon rainfordi