Guam barred butterflyfish
📖 Overview
Guam barred butterflyfish (Roa uejoi) is a ray-finned fish of the family Chaetodontidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 10.1 cm. With a trophic level of 3.6, it is a mid-level predator.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 11; Dorsal soft rays (total): 21 - 22; Anal spines: 3; Anal soft rays: 16 - 17; Vertebrae: 24. This species is distinguished from its congeners by the following set of characters: pored lateral-line scales 36-43; distal portion of the outer branch of first pelvic-fin soft ray a long filament, extending considerably from posterior contour of fin, first soft ray length 119%-123% of second ray; no black blotch on membranes associated with the first and second dorsal-fin spines; upper jaw naked, scaleless; pelvic-fin spine and first soft ray broadly whitish, and the remaining portions of fin black (in preserved specimens); the second black body band crossing pectoral-fin base, with no pale narrow interrupting lines; ocellated spot on dorsal-fin soft-rayed portion is more circular than oval, ratio of long axis/short axis of blotch 1.2-1.3 .Cross section: compressed.
🌀 Behaviour
Behavioural data for Guam barred butterflyfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated; depth range ? - 172 m . Tropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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