Aldabra gregory
NameAldabra gregory
Scientific NameStegastes nigricans
Common NamesDusky gregory, Black gregory, Gregory damselfish
FamilyPomacentridae
OriginIndo-Pacific, Red Sea, East Africa, Aldabra Atoll, Great Barrier Reef, Japan, Hawaii
Temperamentsemi-aggressive
Dietomnivore
Care Levelintermediate
Minimum Tank Size (Gallons)30
Max Size (Inches)4.5
Water TypeSaltwater
Temperature Range (°F)72-82
pH Range8.1-8.4
Compatible SpeciesLarger semi-aggressive fish, Other damselfish (with caution and ample space), Some wrasses, Tangs (in large tanks)
Description
The Aldabra gregory is a hardy and territorial damselfish found throughout the Indo-Pacific, often recognized by its dark body and contrasting yellow caudal fin. While generally robust, it can be aggressive, especially males defending their nesting sites. This species is a common inhabitant of coral reefs.
