[3] They are commonly found on stony coral, Catalaphyllia and the sea anemone, Dofleinia armata.

[4] A. magnificus, has a compressed body composed of a cephalothorax, containing a head and a thorax attached to an elongated abdomen.

[4] Most of A. magnificus have a transparent body, except on the carapace and segments of the abdomen, which have bands of white specks outlined in red.

[4] A. magnificus as part of the subphylum Crustacea, possesses a mouth to ingest food, which then passes through to be broken down by chitinous teeth that line the stomach.

[4] The stomach is connected to digestive glands, which secrete enzymes that absorb the nutrients of the food.