Description
Mertens Butterfly Fish – Chaetodon mertensii
Overview:
The Mertens Butterfly Fish is a striking marine species, featuring a pale body with bold vertical black bands and bright yellow accents on the tail and fins. Its graceful swimming and unique coloration make it a captivating addition to reef and community aquariums.
Origin:
Native to the Indo-Pacific region, including Indonesia, the Philippines, and northern Australia.
Feeding:
Omnivorous — thrives on frozen or live mysis shrimp, brine shrimp, finely chopped seafood, and high-quality marine flakes or pellets, with occasional algae grazing.
Tank Mates:
Best suited for peaceful reef and community tanks, avoiding overly aggressive or nippy species.
Aggression:
Generally peaceful, though may defend small territories in confined aquariums.
Experience Level:
Recommended for intermediate to advanced aquarists, due to its dietary needs and sensitivity to water quality.
Water Parameters:
-
Temperature: 74–80°F (23–27°C)
-
pH: 8.1–8.4
-
Salinity: 1.020–1.025
-
Minimum Tank Size: 75+ gallons
Elegant, colorful, and eye-catching, the Mertens Butterfly Fish is a standout species for experienced marine hobbyists seeking a unique and visually striking centerpiece.
