Mexican Nightsergeant
Abudefduf declivifrons
Abudefduf declivifrons, commonly known as the Mexican nightsergeant, is a species of damselfish in the family Pomacentridae native to the eastern Pacific Ocean. It is known only from Mexico, where it ranges from the Gulf of California to Acapulco. It is typically found in surge-exposed rocky reefs at a depth of 1 to 5 m (3 to 16 ft). It is an oviparous species, with individuals forming distinct pairs during breeding and males guarding and aerating eggs. The...
At a glance
| Habitat | reef |
|---|
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Teleostei |
| Order | Ovalentaria incertae sedis |
| Family | Pomacentridae |
| Genus | Abudefduf |
Where and when
Sightings reported by divers and from open biodiversity records. Most often recorded in Jan.
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Sightings by month
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Seasonality reflects when records were logged, not abundance — popular dive seasons influence the shape. Coverage for Mexican Nightsergeant improves as more divers log dives.
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Taxonomy from WoRMS and GBIF. Occurrence records from GBIF. Photographs from iNaturalist under the licences shown. Diver sightings contributed by the DiveBuddy community.