The Jansen Wrasse is a striking and active reef fish, known for its vivid coloration and agile swimming. Males display bright green, blue, and yellow hues with intricate patterns along the body, while females and juveniles are slightly more subdued but still colorful. Highly energetic and inquisitive, this wrasse adds movement, color, and personality to midwater zones of reef aquariums.
Size: Typically grows up to 6 inches in length
Country of Origin: Indo-Pacific region, including Indonesia, the Philippines, and Papua New Guinea
Latin Name: Thalassoma jansenii
Care Level: Moderate – thrives in well-established aquariums with stable water parameters, open swimming space, and plenty of rockwork for hiding
Jansen Wrasses are carnivores that feed on small crustaceans, worms, and other meaty marine foods. In captivity, they readily accept mysis shrimp, brine shrimp, and finely chopped seafood. They are reef safe with caution, generally leaving corals unharmed but potentially preying on very small ornamental crustaceans. Their bold colors and active behavior make them a dynamic and visually captivating addition to reef tanks.
The Jansen Wrasse is a striking and active reef fish, known for its vivid coloration and agile swimming. Males display bright green, blue, and yellow hues with intricate patterns along the body, while females and juveniles are slightly more subdued but still colorful. Highly energetic and inquisitive, this wrasse adds movement, color, and personality to midwater zones of reef aquariums.
Size: Typically grows up to 6 inches in length
Country of Origin: Indo-Pacific region, including Indonesia, the Philippines, and Papua New Guinea
Latin Name: Thalassoma jansenii
Care Level: Moderate – thrives in well-established aquariums with stable water parameters, open swimming space, and plenty of rockwork for hiding
Jansen Wrasses are carnivores that feed on small crustaceans, worms, and other meaty marine foods. In captivity, they readily accept mysis shrimp, brine shrimp, and finely chopped seafood. They are reef safe with caution, generally leaving corals unharmed but potentially preying on very small ornamental crustaceans. Their bold colors and active behavior make them a dynamic and visually captivating addition to reef tanks.
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