Twinspot cardinalfish
📖 Overview
Occurs in inshore reefs of bays or lagoons, typically hovering in small groups in the recesses of caves .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 14 - 19. Diagnosis: Dorsal rays VII,9; anal rays 11,14-19 (usually 16-18); pectoral rays 14 (rarely 13 or 15). Lateral-line scales 25 + 3-5. Median predorsal scales 5-6 (usually 6). Gill rakers 5-7 + 15-18 (total, 20-24). Body depth 2.3-2.85 in SL, and body width 2.3-2.7 in the depth; eye diameter 2.7-3.1 in head length; first dorsal spine 2.0-2.9 in second spine; second dorsal spine 2.1-2.6, and third dorsal spine 2.2-2.7 in head length; spine of second dorsal fin 2.3-2.6, and second anal spine 2.5-2.9 in head length; pelvic-fin length 4.3-5.3, and caudal-peduncle length 4.9-5.9 in SL. Distance from insertion of pelvic spine to anal-fin origin 4.2-5.5 in SL. Posterior preopercular edge fully serrate or nearly so; serrae on upper part usually minute, rarely absent; ventral preopercular edge serrate on posterior two-thirds. Scaly sheath along anal-fin base well developed . : short and / or deep; Cross section: compressed.
🌀 Behaviour
Behavioural data for Twinspot cardinalfish is currently being reviewed.
🦐 Diet
Diet information for Twinspot cardinalfish is currently being compiled.
🥚 Reproduction
Mouthbrooders . Distinct pairing during courtship and spawning .
🌍 Habitat & Distribution
Marine; reef-associated; depth range 0 - 33 m , usually 0 - 15 m . Tropical; 30°N - 15°S north to the Ryukyu Islands and south to Australia; also Palau and Mariana Islands in Micronesia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Blackspot Cardinalfish · Ear-blotch Cardinalfish · Twinspot Cardinalfish · Two-spot Cardinalfish |
| 🌍CES | parmovec dvouskvrnný |
| 🌍FIJ | tina |
| 🇯🇵Japanese | Futahoshiatohikitenjikudai · フタホシアトヒキテンジクダイ |
| 🇵🇹Portuguese | Cardeal-borboleta |
| 🇨🇳Chinese | 雙斑帶天竺鯛 |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Archamia biguttata | Lachner | 1951 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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