Jansen Saddle Wrasse (Thalassoma jansenii)

Fish in the family Labridae. Moderate care. Reef Safe with Caution.

Jansen Saddle Wrasse

Quick facts

Scientific nameThalassoma jansenii
FamilyLabridae
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentSemi Aggressive
Dietomnivore
Adult size5 in
Minimum tank size55 gallons
Water parametersTemperature: 72-79°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding scheduleFeed 2-3 times daily

Appearance

A small, colorful wrasse with distinctive saddle-like markings on the dorsal region. The body displays bright yellow, blue, and black coloration with characteristic dark bars and patches, creating a striking pattern typical of saddle wrasses.

Difficulty and care for the Jansen Saddle Wrasse

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Origin and habitat

Indo-Pacific region from the Great Barrier Reef and New Caledonia to Fiji and beyond, primarily in coral reef environments.

Log Jansen Saddle Wrasse in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Jansen Saddle Wrasse alongside everything else in your reef.