Jansen's wrasse (Thalassoma jansenii) is a species of ray-finned fish, a wrasse from the family Labridae which is native to the Indian Ocean and Pacific Ocean.
 In the south-western Pacific Ocean it is replaced by sibling species black-barred wrasse (Thalaaoma nigrofasciatum).
It can be found in the aquarium trade.
Jansen's wrasse (Thalassoma jansenii) is a species of ray-finned fish, a wrasse from the family Labridae which is native to the Indian Ocean and Pacific Ocean.  In the south-western Pacific Ocean it is replaced by sibling species black-barred wrasse (Thalaaoma nigrofasciatum). It can be found in the aquarium trade.
Jansen's wrasse