One of the smallest ornamental shrimps, the sex shrimp is a mainstay of the saltwater aquarium hobby. It is so called because of the way its hind area is in a constant twirling movement. Sexy shrimp are a sort of anemone shrimp frequently found in the vicinity of anemones in the wild.

The scarlet cleaner shrimp is the most well-known ornamental shrimp in the marine tank hobby. This shrimp is heavily collected from the Indo-Pacific region.

The royal gramma (Gramma Loreto) and 4 others, the flame angelfish (Centropyge oriculus), yellow tangs (Zebrasome Flavescens), blue tang (Paracanthurus Hepatus) and the percula clown (both ocellaris and percula) are the most popular fishes in the hobby. It is also well-known as the fairy basslet.

The Mandarin goby (Synchiropus Splendidus) is one of the most stunning fishes ever to reach the hobby. It almost looks like a painting with its blue, orange and green lines and patches all across its body. While their commonly known as the mandarin goby, they are not real gobies at all. Its rarely called genuine name, is the mandarin dragonet.

The Blue Tang (Paracanthurus Hepatus) with the yellow tang (Zebrasoma Flavescens), percula clownfish (Ocellaris, Percula), royal gramma (Gramma Loreto) and the flame angels (Centropyge Loriculus) make up the 5 most familiar marine fish in the marine aquarium hobby. It is seen as the sole species under the genus Paracanthurus. Its body is a eye-catching bright blue while it has broad black markings that stretch out out from its eyes to its tail.