Aquarium Fish

Rainbow Wrasse

posted: 05/15/12
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Rainbow Wrasse
Courtesy of Drs. Foster and Smith
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The Rainbow Wrasse is also referred to as the Cortez Rainbow Wrasse or Paddlefin Wrasse. As an adult, it is a most attractive rainbow of colors, with a blue to green head, yellow neck, blue fins, blue to purple tail, and red body.

It should reside in a 55 gallon or larger aquarium with larger, aggressive tank mates, and plenty of rocks for hiding. It will become territorial and harass any new additions to the community, therefore, it should be the last fish added to the community. It may be kept with a mate if the aquarium is 75 gallons or larger. It may eat mantis shrimp and bristleworms. It does not eat corals or live plants.

Its natural diet consists of fish, crustaceans, motile invertebrates, and worms. The diet in the aquarium should include a variety of feeder shrimp, marine flesh, frozen meaty preparations for carnivores, and flaked foods.

Fish Facts

Name: Rainbow Wrasse (Thalassoma lucasanum)

Family: Labridae

Range: East Pacific

Size: Up to 4 inches

Diet: Carnivore

Tank Set-up: Marine: Gravel or sand

Reef Compatible: No

Tank Conditions: 72-78°F; sg 1.020-1.025; pH 8.1-8.4

Minimum Tank Capacity: 55 gallon

Light: High

Temperament: Aggressive

Swimming Level: No specific level

Care Level: Moderate

Reproduction: Egg Layer

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