Blue Reef Chromis (Chromis cyaneus)

Blue Reef Chromis (Chromis cyaneus)


  • Water Conditions: 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.020-1.025
  • Max. Size: 5″
  • Color Form: Blue
  • Diet: Omnivore
  • Origin: Caribbean
  • Family: Pomacentridae
  • Minimum Tank Size: 30 gallons
  • Care Level: Easy
  • Temperament: Peaceful
  • Reef Compatible: Yes


The Blue Chromis is a very peaceful and active fish from the Caribbean. These fish reside in the upper part of the aquarium and will help bring out more shy species that normally hide. A shoaling fish, Blue Chromis should be maintained together in a group, and make a bright addition to the reef or fish only aquarium that is 30 gallons or larger. The Blue Chromis feeds on a variety of meaty items, herbivore preparations, and flaked food.
The diet should be varied and consist of meaty items, herbivore flakes, and frozen preparations. Using vitamin-enriched foods may help to preserve the bright color.

Approximate Purchase Size: Small 1/2″ to 1-1/4″, Medium 1 1/4″ to 2 1/4″, Large 2 1/4″ to 3 1/4″


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