Johnston Island damsel
📖 Overview
Adults are found clear water, inner to outer reef crests in rich coral habitat . Benthopelagic . Common in passages, frequently associated with Acropora, Stylophora, or Pocillopora coral heads or a single head of Pocillopora eydouxi (= Pocillopora grandis). Usually seen solitary . Feed on benthic algae and probably coral polyps. Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs . Diurnal species .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 12; Dorsal soft rays (total): 17 - 19; Anal spines: 2; Anal soft rays: 16 - 18. : short and / or deep; Cross section: oval.
🌀 Behaviour
Behavioural data for Johnston Island damsel is currently being reviewed.
🦐 Diet
Diet information for Johnston Island damsel is currently being compiled.
🥚 Reproduction
Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .
🌍 Habitat & Distribution
Marine; reef-associated; non-migratory; depth range 0 - 30 m . Tropical; 30°N - 30°S East Africa to the Hawaiian, Marquesan, and Pitcairn islands, north to the Ryukyu and Bonin islands, south to Lord Howe Island and Rapa.
🌿 Ecology
benthic algae and probably coral polyps
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Johnston Island damsel ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.