Celestial phyllidia (Phyllidia coelestis)
Source-cited species reference: taxonomy from WoRMS, biology from SeaLifeBase, occurrence map from GBIF.
Celestial phyllidia (Phyllidia coelestis) is a marine species in the family Phyllidiidae (Mollusca › Gastropoda › Nudibranchia), recorded in the World Register of Marine Species as Phyllidia coelestis Bergh, 1905 under AphiaID 212836.
- Scientific name
- Phyllidia coelestis
- Authority
- Bergh, 1905
- Family
- Phyllidiidae
- Order
- Nudibranchia
- Maximum length
- 6 cm
- Habitat zone
- benthic
- Gbif occurrence records
- 1,752
Classification (WoRMS)
Full classification as recorded by WoRMS: Kingdom: Animalia · Phylum: Mollusca · Class: Gastropoda · Order: Nudibranchia · Family: Phyllidiidae · Genus: Phyllidia.
Accepted name: Phyllidia coelestis · Authority: Bergh, 1905 · Taxonomic status: accepted · AphiaID: 212836.
Synonyms and superseded combinations recorded for this taxon: Phyllidia alia Yonow, 1984.
Source: World Register of Marine Species (WoRMS) — https://www.marinespecies.org/aphia.php?p=taxdetails&id=212836 (CC BY 4.0). Accessed 2026-09-23.
Biology and life history (SeaLifeBase)
Measured values published by SeaLifeBase for Phyllidia coelestis. Only fields the database actually holds for this species are shown; these are database values, not aquarium guidance.
Maximum length: 6 cm · Habitat zone: benthic · Vulnerability index: 10 of 100 · Aquarium trade: never/rarely.
SeaLifeBase notes: Assumed maximum length from Ref. 844. Inhabits sublittoral areas (Ref. 2925).
Source: SeaLifeBase species summary (SpecCode 87387) — https://www.sealifebase.se/summary/Phyllidia-coelestis.html (CC BY-NC 3.0 — non-commercial use only). Accessed 2026-09-23.
Distribution and occurrence records (GBIF)
1,752 georeferenced occurrence records for Phyllidia coelestis are published through GBIF from 45 countries or marine areas. The map above plots 293 distinct locations from a sample of 1,752 records, omitting 56 inland records that carry an institution's coordinates rather than a collection site; it shows where the species has been observed and reported, not a modelled range.
Most records by country or area: Philippines (381); Indonesia (371); Australia (244); Malaysia (139); New Caledonia (107).
The full country table, WoRMS marine regions and the sampling notes are on this species' Distribution page.
Source: GBIF Occurrence Search (taxonKey 4359792) — https://www.gbif.org/occurrence/search?taxon_key=4359792&has_coordinate=true (records CC0 / CC BY); WoRMS distribution records (MarineRegions) — https://www.marinespecies.org/aphia.php?p=taxdetails&id=212836 (CC BY 4.0); Natural Earth 110m basemap — https://www.naturalearthdata.com/ (public domain). Accessed 2026-09-23.
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