Blue unicornfish
📖 Overview
Blue unicornfish (Naso caeruleacauda), first described by Randall, 1994 is a large fish in the family Acanthuridae (order Acanthuriformes). Adults typically reach 40.00 cm in maximum length and up to 1.100 kg. It inhabits marine coastal and open-ocean environments. Recorded depth range: 15 to 45 metres. It occurs in Tropical waters. It feeds primarily on plankton, plant material, and detritus. The species schools in loose to tight aggregations. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Acanthuridae kept in the hobby.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 4 - 5; Dorsal soft rays (total): 28 - 30; Anal spines: 2; Anal soft rays: 29. No narrow dark bars on body. Caudal fin blue in life. Dorsal profile of head from above upper lip to above centre of eye straight. Anterior interorbital region and adjacent space between nostrils strongly convex. Body depth 2.75 to 2.8 times in SL (Ref 9808). : fusiform / normal; Cross section: compressed.
🌀 Behaviour
Behavioural data for Blue unicornfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated; depth range 15 - 45 m . Tropical Central Pacific: Philippines and Indonesia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🦠 Common Diseases
The following diseases are known to affect Blue unicornfish.
🔍 Similar Species
👥 Community & Contribute
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