Pearlscale Butterfly - PacificChaetodon mertensii Care: Intermediate Diet: Omnivorous Light: Medium Place of origin: Western Pacific Temperature: Tropical: 22 28 deg C (72 82 deg F) Water Parameters: SG: 1. 020 1. 025, pH: 8. 1 8. 4 Pearlscale Butterfly Pacific West Pacific, north to southern Japan, ranging in the west to Sunda Strait and may overlap in Sumatra with Chaetodon madagaskarensis, while in the east it is replaced by C. mertensii on the east coast of Papua New Guinea.

while juveniles may occur in small aggregations with other similarly sized surgeonfish

being an excellent addition to most aquariums

enriched brineshrimp and other plankton-sized fare

Oxycirrhites typus

Lawnmower Blenny

Widespread West and Central Pacific

Rock structures should be placed safely so they cannot collapse if the goby or pistol shrimp digs underneath them

Minimum Tank Size:A minimum of 90 litres is recommended for a single specimen or compatible pair

The Helfrichi Firefish

This species is generally suitable for reef aquaria and is unlikely to bother most corals or invertebrates when feeding well

A circumtropical species found through the Atlantic

Minimum Tank Size:A minimum of 400 litres is recommended for a single specimen