Wrasse – Cortez Rainbow

Cortez Rainbow Wrasse Care Tips:

Minimum Tank Size: 80 Gallons

Max Size: Up to 20cm (8″)

Diet: Carnivore

Temperament: Aggressive

Lifespan: Up to 30 years

Scientific Name: Thalassoma Lucasanum

Other Names: Paddlefin Wrasse, Rainbow Wrasse

Coral Safe: Yes

Invertebrate Safe: Yes with caution (Will prey upon crustaceans)

Approx. Purchase Size: Medium: 3 inches Large: 6 inches

The cortez rainbow wrasse, scientific name Thalassoma Lucasanum is an aggressive fish. Their minimum tank size is 80 gallons. Cortez rainbow wrasses can grow up to 8” and can live up to 30 years. Cortez rainbow wrasses are carnivores and should be fed frozen meaty foods such as brine or mysis shrimp. They should be kept singly as they will fight with other cortez rainbow wrasses and they should not be kept with other Thalassoma wrasses. All thalassoma wrasses start as females, if there is multiple kept together and no male is present, the dominant female will turn into a male. Cortez rainbow wrasses can be kept with other semi-aggressive or aggressive wrasses. Cortez rainbow wrasses are coral safe but they are not completely safe with invertebrates. Thalassoma wrasses will prey upon crustaceans. Thalassoma wrasses sleep in cracks and crevices in the rocks at night time, during the day they will be swimming throughout the tank. They are very active swimmers so its not uncommon for them to get tired and rest on the substrate. The cortez rainbow wrasse is also referred to as the paddlefin wrasse and the rainbow wrasse. Wrasses are known for jumping and require a tight fighting lid.