Twinspot damselfish
📖 Overview
Adults occur in protected inner reef flats and shallow lagoons and channels, over rubble and rocky outcrops. Feed primarily on filamentous algae . 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): 13; Dorsal soft rays (total): 12 - 14; Anal spines: 2; Anal soft rays: 13 - 14. Bluish or purplish spots at the posterior base of the dorsal fin. Juveniles with large ocellus that reduces with size and lacks completely in adults. The white band in young reduces to a small white saddle in large adults . Body depth 2.2-2.5 in SL .: short and / or deep; Cross section: compressed.
🌀 Behaviour
Behavioural data for Twinspot damselfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
Oviparous, distinct pairing during breeding . Eggs are deposited inside empty shells or under stones or shells . Males guard and aerate the eggs .
🌍 Habitat & Distribution
Marine; reef-associated; non-migratory; depth range 0 - 5 m . Tropical; 30°N - 23°S East Africa to the Marshall and Gilbert islands and Samoa, north to the Ryukyu Islands, south to Australia.
🌿 Ecology
filamentous algae (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | bluebanded damselfish · Deep Reef Chromis · Twinspot damselfish · Two-spot Demoisele · twospot damselfish · White-saddle Damsel |
| 🇯🇵Japanese | Sujibuchisuzumedai · スジブチスズメダイ |
🦠 Common Diseases
The following diseases are known to affect Twinspot damselfish.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 54 records indexed .
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