Thalassoma rueppellii, commonly known as the Rüppell’s wrasse, is a medium-sized marine fish prized for its vivid colours and dynamic swimming behaviour. This species is best suited to experienced hobbyists due to its active nature and specific care needs.
Care Level: Moderate to advanced. Requires stable water parameters and a mature aquarium environment.
Temperament: Semi-aggressive. Can be territorial, especially towards similar species or smaller, more passive fish.
Diet: Carnivorous. Feed a varied diet including high-quality frozen or live foods such as mysis shrimp, brine shrimp, and finely chopped seafood. Supplement with marine pellets or flakes formulated for carnivores.
Tank Requirements: Minimum tank size of 150 litres (approximately 40 gallons) is recommended to provide ample swimming space. The aquarium should have plenty of live rock for hiding and establishing territories.
Compatibility: Best kept with other semi-aggressive or robust species. Avoid housing with very small or timid fish to prevent stress or aggression.
Reef Safety: With caution. May nip at small invertebrates or sessile invertebrates, so monitor closely if kept in reef setups.
Lighting and Water Flow: Standard reef aquarium lighting and moderate water flow are suitable to mimic natural conditions.
Origin: Native to the Red Sea and western Indian Ocean.
Maximum Size: Up to 20 cm (approximately 8 inches) in length.
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