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Related FAQs: Chelmon genus Butterflyfishes, Chelmon Butterflies 2, Chelmon Identification, Chelmon Behavior, Chelmon Compatibility, Chelmon Selection, Chelmon Systems, Chelmon Feeding, Chelmon Disease, Butterflyfish Identification, Butterflyfish Foods/Feeding/NutritionButterflyfish Compatibility, Butterflyfish Behavior, Butterflyfish Systems, Butterflyfish Selection, Butterflyfish Disease, Butterflyfish Reproduction,

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/The Conscientious Marine Aquarist

The Chelmon Butterflyfishes

Bob Fenner

Chelmon rostrata

Chelmon marginalis Richardson 1842, Margined Coralfish. Northern coast of Australia. To some seven inches total length. A sometimes available hardier choice than the common "Chelmon".

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Chelmon muelleri (Klunzinger 1879), Muller's Coralfish. Northern Australia in coastal reefs. To seven inches total length. Feeds on a large mix of benthic invertebrates.   

Chelmon rostratus  (Linnaeus 1758), the Copperband Butterflyfish or Beaked Coralfish. Most die within a week or two of capture from trauma and starvation, dying "mysteriously" in the night. Due to better conditions in the age of reef keeping, some folks are able to salvage specimens, even hand feeding them. From the tropical western Pacific, to six inches overall length.

Chelmon muelleri (Klunzinger 1879) Muller's Coralfish. From the upper/northern coast of Australia. To seven inches overall. More cosmopolitan feeder than others of its genus.

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