Common name: Newton's Wrasse

General information

Newton's Wrasse, scientifically known as Thalassoma newtoni, is a vibrant and active fish that adds both color and dynamism to a saltwater aquarium. This species is part of the Labridae family, which is known for its members' bright coloration and interesting behaviors. Newton's Wrasse is distinguished by its striking blue and green hues, with males typically exhibiting more intense coloration and larger size than females.

In the wild, these wrasses are found in the Eastern Atlantic, primarily around the islands of São Tomé and Príncipe. They are relatively rare in the aquarium trade, which can make them a unique and prized addition for enthusiasts seeking something special for their tanks.

Care

Caring for Newton's Wrasse requires an established aquarium with plenty of swimming space and rockwork for hiding. They are known to be jumpers, so a tightly fitting lid or screen is essential to prevent escape. These wrasses are carnivorous and thrive on a varied diet that includes small meaty foods such as mysis shrimp, brine shrimp, and finely chopped seafood.

As active swimmers, they benefit from strong water movement and well-oxygenated water. It's important to maintain high water quality with regular water changes and efficient filtration.

Reproduction

Like many wrasses, Thalassoma newtoni exhibits protogynous hermaphroditism, where individuals start life as females and have the potential to change to males as they mature. In the aquarium, breeding is not commonly observed, and little is known about their specific reproductive behaviors in captivity.

Habitat

Newton's Wrasse is typically found in shallow, rocky coastal areas and coral reefs. They prefer clear waters where they can forage for small invertebrates and zooplankton. In the aquarium, replicating their natural environment with live rock and a sandy substrate can help promote natural foraging behaviors and overall well-being.