What's on the move

Jansen's wrasse

Thalassoma jansenii

(Image credit: David Harasti)

Unlike many other wrasse species, the colouration of Jansen’s wrasse only undergoes slight changes throughout aging. The body of adults is mostly black with a thick white stripe running from the middle of the dorsal fin to the start of the anal fin. This vertical stripe is fringed in yellow. The base of the tail is white. Most individuals display another vertical white stripe at the rear edge of the pectoral fin. As the fish ages and changes sex into male the band completely rings the body. Larger males develop blue tinges along fin edges.

Length: Up to 20 cm


Coastal and offshore shallow reefs; 1-20 m depth

Log it

In New South Wales, log this species if spotted south of Solitary Island Marine Park

Related links/info

Species names on the Redmap site are based on the Codes for Australian Aquatic Biota or CAAB (http://www.cmar.csiro.au/caab/). This is updated regularly and lists the approved common name, family, species name and more.

Find further information and images at FISHES OF AUSTRALIA http://www.fishesofaustralia.net.au/

Number of sightings 0

Redmap is funded by

Lead institutes