Thalassoma is a genus of wrasses native to the Atlantic, Indian and Pacific Oceans.
The moon wrasse is a species of wrasse native to the Indian Ocean and the western Pacific Ocean. It is an inhabitant of coral reefs and surrounding areas at depths from 1 to 20 m. Moon wrasses are carnivorous and tend to prey on fish eggs and small sea-floor dwelling invertebrates. This species can reach 45 cm (18 in) in total length. It is of minor importance to local commercial fisheries and can also be found in the aquarium trade.
The Christmas wrasse, Thalassoma trilobatum, is a species of wrasse native to the Indian Ocean and the western Pacific Ocean. It inhabits shallow reefs at depths from the surface to 10 m (33 ft). This species can reach 30 cm (12 in) in total length. It is of minor importance to local commercial fisheries and can be found in the aquarium trade.
The yellow-brown wrasse is a species of wrasse native to the Indian and Pacific Oceans, where they are found from Sri Lanka to the Hawaiian Islands and from southern Japan to Australia. An inhabitant of coral reefs, it occurs in schools at depths from 1 to 30 m. It can reach 30 cm (12 in) in total length. This species is of minor importance to local commercial fisheries and can also be found in the aquarium trade.
The goldbar wrasse is a species of wrasse native to the western Indian Ocean, where it inhabits reef environments at depths from 1 to 30 m. This species can grow to 23 cm (9.1 in) in total length. It is a target of local traditional fisheries and can also be found in the aquarium trade.
Jansen's wrasse is a species of wrasse native to the Indian Ocean. In the Pacific Ocean it is replaced by sibling species Blackbarred Wrasse. It is a reef inhabitant, preferring rocky areas, and can be found at depths from 1 to 15 m. This species can grow to 20 cm (7.9 in) in total length. Like many other coral reef wrasses, this species swims actively over the reef using solely their pectoral fins for thrust. It can also be found in the aquarium trade.
The fivestripe wrasse, Thalassoma quinquevittatum, is a species of wrasse.
Thalassoma amblycephalum, the blunt-headed wrasse, is a species of wrasse native to the Indian Ocean and the western Pacific Ocean. It is a reef inhabitant, being found in schools at depths from 1 to 15 m. This species can reach 16 cm (6.3 in) in standard length. It can also be found in the aquarium trade.
The blacktail wrasse is a species of wrasse native to the waters around the Hawaiian Islands and Johnston Island. It is a reef dweller found at depths from 1 to 60 m. It can reach 39.5 cm (15.6 in) in length. It can also be found in the aquarium trade.
The saddle wrasse is a species of wrasse native to the waters around the Hawaiian Islands and Johnston Island. They are found on reefs at depths from 5 to 25 m. This species can reach 28 cm (11 in) in total length. This species can also be found in the aquarium trade.
The red-cheek wrasse is a species of wrasse native to the western Indian Ocean, where it can be found on rocky reefs at depths from 4 to 25 m. It can grow to 20 cm (7.9 in) in total length. This species can also be found in the aquarium trade.
The sunset wrasse is a species of wrasse native to the eastern Pacific Ocean, where it can be found from Mexico to Peru. It is an inhabitant of reefs at depths from 3 to 42 m. It can grow to 32 cm (13 in) in total length.
The sixbar wrasse or six-banded wrasse is a species of wrasse in the family Labridae, native to the Indian Ocean and the western Pacific Ocean. It is an inhabitant of reef environments at depths from the surface down to 15 m (50 ft). This species can grow to 20 cm (8 in) in total length, though most individuals do not exceed 15 cm (6 in). It is of minor importance to local commercial fisheries and can also be found in the aquarium trade.
The Noronha wrasse, Thalassoma norohanum, is a species of wrasse native to the western Atlantic Ocean off the coast of Brazil and nearby islands, where it inhabits coral reefs from the surface to 60 m (200 ft) deep, though mostly much shallower, between 2 and 5 m. Younger individuals act as cleaner fish. This species can reach 13.3 cm (5.2 in) in standard length. It can also be found in the aquarium trade.
The ornate wrasse, Thalassoma pavo, is a species of wrasse native to the eastern Atlantic Ocean from Portugal to Gabon and the oceanic islands and into the Mediterranean Sea. This species inhabits areas of rocks and eelgrass in coastal waters at depths from 1 to 150 m, though rarely below 50 m (160 ft). It can reach 25 cm (9.8 in) in length, though most do not exceed 20 cm (7.9 in). This species is of minor importance to local commercial fisheries, is also popular as a game fish, and can be found in the aquarium trade.
The surge wrasse, Thalassoma purpureum, is a species of wrasse native to the southeast Atlantic Ocean through the Indian and Pacific Oceans, where it inhabits reefs and rocky coastlines in areas of heavy wave action at depths from the surface to 10 m (33 ft). It can grow to 46 cm (18 in) in total length and 1.2 kg (2.6 lb) in weight. This species is of minor importance to local commercial fisheries, is popular as a game fish, and can be found in the aquarium trade.
Thalassoma robertsoni is a species of wrasse only known to occur in the waters around Clipperton Island. It occurs at depths from 3 to 50 m on the outer reef slope and shows a preference for strong wave action. This species can reach 7.8 cm (3.1 in) in standard length.
Klunzinger's wrasse, Thalassoma rueppellii, is a species of wrasse endemic to the Red Sea. It inhabits the margins and seaward slopes of reefs at depths from 1 to 30 m. It can reach 20 cm (7.9 in) in total length. This species can be found in the aquarium trade.
The St. Helena wrasse, Thalassoma sanctahelenae, is a poorly known species of wrasse endemic to the waters around St. Helena.
Greenfish is used as the common name of several unrelated groups of fish:
