Pseudochromis coccinicauda
Encyclopedia
Pseudochromis coccinicauda is a Dottyback
Dottyback
The dottybacks are a family, Pseudochromidae, of fishes in the order Perciformes. Around 100 species belong to this family.They are found in the tropical and subtropical Indo-Pacific, where they inhabit coral reefs. They are brightly coloured fish, often showing striking sexual dimorphism. They are...

 from the Western Indian Ocean
Indian Ocean
The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

. It occasionally makes its way into the aquarium trade. It grows to a size of 3.9 cm in length.
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