found this in a website while looking to see how hardy a fish is. Just thought this might answer some questions for people who want to know about a certain fish

Restricted Species

Below are species which are extremely difficult to keep alive in the home aquarium. Unless you are an expert or have lots of extra money do not buy them. Our Arrive Alive delivery is still valid but our Stay Alive guarantee is not on these delicate species.

Fish

Angels
Multi-Barred Angel (Centropyge multifasciatus)
Regal Angel (Pygoplites diacanthus)
Anthias
Purple Queen Anthias (Pseudanthias tuka)
Sunburst Anthias (Serranocirrhitus latus)
Evansi Anthias (Mirolabrichthys evansi)

Butterflies
Blue-Spot Butterfly (Chaetodon plebeius)
Latticed Butterfly (Chaetodon rafflesi)
Melon Butterfly (Chaetodon trifasciatus)
Meyer's Butterfly (Chaetodon meyeri)
Spot-Tail Butterfly (Chaetodon ocellicaudus)
Ornate Butterfly (Chaetodon ornatissimus)
Oval-Spot Butterfly (Chaetodon speculum)
Philippine Butterfly (Chaetodon adiergastos)
Reticulated Butterfly (Chaetodon reticulatus)
Triangular Butterfly (Chaetodon triangulum)

Wrasses
Black-Spot Cleaner Wrasse (Labroides pectoralis)
Black-Spot Pencil Wrasse (Pseudojuloides mesostigmus)
Bi-Color Cleaner Wrasse (Labroides bicolor)
Cigar Wrasse (Cheilio inermis)
Comet Wrasse (Labropsis xanthonaota)
Green Coris (Halichoeres chloropterus)
Psychedelic Pencil Wrasse (Pseudojuloides sp.)
Juvenile Red Coris Wrasses (Coris gaimard)
Small Tailed Pencil Wrasse (Pseudojuloides cerasinus)

Miscellaneous
Banded Snake Eel (Myrichthys colubrinus)
Blue Spot Ray (Taeniura lymma)
Clown Sweetlips (Plectorhinchus chaetodonoides)
Clown Tangs (Acanthurus lineatus)
Moorish Idols (Zanclus cornutus)
Orange-Spot Filefish (Oxymonoclanthus longirostris)
Oriental Sweetlips (Plectorhinchus orientalis)
Pinnatus Batfish (Platax pinnatus)
Ribbon Eel (Rhinomuraena, Blue/Black)
Pipefish (all)
Seahorse (all)
Shark (all)


Invertebrates

Feather Stars
Jelly Fish
Nudibranchs
Ritteri Anemones
Spanish Dancers
Octopi