The Onespot demoiselle is a vibrant reef fish known for its striking blue and yellow coloration and distinctive single spot near the dorsal fin. Typically reaching 4 inches in length and weighing up to 0.2 pounds, it inhabits shallow coral reefs. This species is omnivorous, feeding on algae and small invertebrates, and displays territorial behavior. This summary is AI generated
Water type
IUCN Status
Threat to humans
Source: Fishbase
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