Castin Leather Jack
NameCastin Leather Jack
Scientific NameGnathanodon speciosus
Common NamesGolden Trevally, Yellowfin Trevally, Kingfish
FamilyCarangidae
OriginIndo-Pacific, Red Sea, East Africa, Central Pacific
Temperamentaggressive
Dietcarnivore
Care Levelexpert
Minimum Tank Size (Gallons)1000
Max Size (Inches)45
Water TypeSaltwater
Temperature Range (°F)72-80
pH Range8.1-8.4
Compatible SpeciesOther large Jacks, Groupers, Sharks (in very large public aquariums)
Description
The Castin Leather Jack, visually identified as a type of Golden Trevally, is a large, fast-swimming marine fish belonging to the Jack and Trevally family. It is characterized by its compressed, silvery body and distinctive yellow fins, especially the caudal fin. These powerful predators are found in tropical and subtropical waters, often schooling as juveniles and becoming more solitary as adults.
