Banded sergeant (Abudefduf septemfasciatus)
Source-cited species reference: taxonomy from WoRMS, biology from FishBase, occurrence map from GBIF, conservation from IUCN Red List.
Last updated
Paul Asman (Fishbase) · via Wikipedia: Abudefduf septemfasciatus · CC BY 3.0
Banded sergeant (Abudefduf septemfasciatus) is a marine species in the family Pomacentridae (Chordata › Teleostei › Ovalentaria incertae sedis), recorded in the World Register of Marine Species as Abudefduf septemfasciatus (Cuvier, 1830) under AphiaID 212878.
Scientific classification
- KingdomAnimalia
- PhylumChordata
- ClassActinopterygii
- DivisionTeleostei
- OrderBlenniiformes
- FamilyPomacentridae
- GenusAbudefduf
- SpeciesAbudefduf septemfasciatus
Named by (Cuvier, 1830)
Close relatives
Other species of Abudefduf with a Codexery entry.
- Blackspot sergeant Abudefduf sordidus
- Green damselfish Abudefduf abdominalis
- Indo-Pacific sergeant Abudefduf vaigiensis
- Panamic sergeant major Abudefduf troschelii
- Scissortail sergeant Abudefduf sexfasciatus
- Abudefduf saxatilis
- Abudefduf notatus
Sources: Wikipedia taxobox: Abudefduf septemfasciatus (CC BY-SA 4.0) · differs from this box at order: WoRMS AphiaID 212878 (CC BY 4.0)
Conservation status
Least Concern (LC)
- LC▲ this species
- NT
- VU
- EN
- CR
- EW
- EX
Source: IUCN Red List assessment · GBIF copy of the Red List category
How big is it?
Largest length in the source, 0.23 m, next to a 1.8 m person.
Diagram: drawn by Codexery, schematic shapes to scale (not a likeness). Length: Wikipedia: Abudefduf septemfasciatus
Where the banded sergeant (abudefduf septemfasciatus) has been recorded
Each dot is a place where the species has been observed and reported (1,600 records, half-degree grid) — not a modelled range. 39 inland records left out (institution coordinates).
Map: drawn by Codexery. Data: GBIF occurrence search (records CC0 / CC BY) · Natural Earth basemap (public domain)
Classification (WoRMS)
Full classification as recorded by WoRMS: Kingdom: Animalia · Phylum: Chordata · Class: Teleostei · Order: Ovalentaria incertae sedis · Family: Pomacentridae · Genus: Abudefduf.
Accepted name: Abudefduf septemfasciatus · Authority: (Cuvier, 1830) · Taxonomic status: accepted · AphiaID: 212878.
Synonyms and superseded combinations recorded for this taxon: Abudefduf multifasciatus Seale, 1906; Abudefduf paee Curtiss, 1938; Chaetodon rotundus Linnaeus, 1758; Glyphisodon septemfasciatus Cuvier, 1830.
Source: World Register of Marine Species (WoRMS) — https://www.marinespecies.org/aphia.php?p=taxdetails&id=212878 (CC BY 4.0). Accessed 2026-09-25.
Biology and life history (FishBase)
Measured values published by FishBase for Abudefduf septemfasciatus. Only fields the database actually holds for this species are shown; these are database values, not aquarium guidance.
Maximum length: 23 cm · Depth range: 0–20 m · Habitat zone: reef-associated · Body shape: short and / or deep · Vulnerability index: 13 of 100 · Fishery importance: minor commercial.
FishBase notes: Adults inhabit lagoon and outer reefs in shallow areas exposed to mild or moderate surge. Feed on benthic algae and small invertebrates (Ref. 7247). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205).
Males guard and aerate the eggs (Ref. 205). Highly territorial (Ref. 9710). Maximum depth reported taken from Ref. 128797.
Source: FishBase species summary (SpecCode 5687) — https://www.fishbase.se/summary/Abudefduf-septemfasciatus.html (CC BY-NC 3.0 — non-commercial use only). Accessed 2026-09-25.
Distribution and occurrence records (GBIF)
1,600 georeferenced occurrence records for Abudefduf septemfasciatus are published through GBIF from 56 countries or marine areas. The map above plots 335 distinct locations from a sample of 1,600 records, omitting 43 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: French Polynesia (315); Australia (122); Chinese Taipei (102); Fiji (96); New Caledonia (92).
The full country table, WoRMS marine regions and the sampling notes are on this species' Distribution page.
Source: GBIF Occurrence Search (taxonKey 2398628) — https://www.gbif.org/occurrence/search?taxon_key=2398628&has_coordinate=true (records CC0 / CC BY); WoRMS distribution records (MarineRegions) — https://www.marinespecies.org/aphia.php?p=taxdetails&id=212878 (CC BY 4.0); Natural Earth 110m basemap — https://www.naturalearthdata.com/ (public domain). Accessed 2026-09-25.
Conservation status (IUCN Red List)
The IUCN Red List assesses Abudefduf septemfasciatus (Cuvier, 1830) as Least Concern (code LC). No trend, population estimate or threat analysis is given here, because none is available from this source without the Red List API; follow the source link for the full assessment, including its date.
Source: IUCN Red List of Threatened Species (taxon 188453) — https://www.iucnredlist.org/species/188453/0; GBIF IUCN Red List category endpoint (taxonKey 2398628) — https://api.gbif.org/v1/species/2398628/iucnRedListCategory. Accessed 2026-09-25.
Related in Banded sergeant
Links follow this subject's own source article.
Elsewhere in Banded sergeant
Sources
Compiled from Wikipedia and the sources listed below. Text from Wikipedia is available under CC BY-SA 4.0; this entry is adapted from it.
- Wikipedia: Abudefduf septemfasciatus (CC BY-SA 4.0).
- Classification: the source article's taxobox; compare WoRMS, the World Register of Marine Species (CC BY 4.0).
- Conservation status: IUCN Red List assessment.
- Occurrence records: GBIF (CC0 / CC BY). Basemap: Natural Earth (public domain).
- Biology values: FishBase species summary (CC BY-NC 3.0, non-commercial).
- Word definitions: the , each quoted from its Wikipedia article.
Spotted an error? Know more?
Reader corrections go straight into our review queue. Suggest an edit · How this site is sourced