Facts - Information - Picture
Popular Name: John Dory
Species: Zeus Faber
Profile of the John Dory
This Profile contains interesting facts and information about the John Dory species.
Size: Can grow up to 90cm but usually around 40cm
Fish Tank conditions: Large Tank, PH 6.0 to 8.0
Diet / Feeding: Bony Fish, Squid, Sardines
Temperament: Solitary Fish
Habitat: Up to 400m meters in tropical & sub-tropical coastal marine waters
Behaviour: A solitary fish that can be found close to the sea bed
Range: Eastern Atlantic, Indian Ocean, Western Pacific, Eastern Atlantic, Black Sea, Mediterranean
Scientific Classification of the John Dory
Definition: Scientific classification, or biological classification, is how biologists group and categorize species of organisms with shared physical characteristics. Scientific classification belongs to the science of taxonomy.
Interesting Facts and Information - How do you identify the sex of a John Dory?
The males and females of many fish species have different colors or different shaped bodies. But there are also other fish species where there is no visible difference. Its sometimes tricky being an ichthyologist!
Interesting Facts and Information - Why are John Dory slimy?
John Dory secrete a type of mucus, or slime, from their skin. This slime provides protection against parasites and infections and helps the John Dory to move through the water faster. Some fish species also release toxins in their slime which ward off enemy attacks. Other fish species use their slime to feed their young.
Interesting Facts and Information - Why do John Dory have gills?
Gills enable the John Dory to breathe. Gills consist of thin sheets of tissue containing blood vessels. As water passes over the gills oxygen is absorbed into the blood stream Carbon dioxide passes out into the water. The gills are protected by a large bony plate called an operculum. Some fish species however have lungs and breathe air.
Interesting Facts and Information - Why do the John Dory have fins?
A fin is an external appendage or "limb" of a fish. Fins are used for directing, stabilizing, or propelling the different fish species in water. Numbers of fins vary between fish species, but there are usually seven. Each of the fins on a fish are designed to perform a specific function:
Dorsal fins - The dorsal fin is located on the backs of fishes. The John Dory has Dorsal fins to lend stability in swimming.
Ventral fins. The ventral fin is located on the pelvic area of fishes. The John Dory has Ventral fins to lend stability in swimming.
Caudal fins. The Caudal fin is located on the tail area of fishes. The John Dory has Caudal fins to propel through the water.
Pectoral fins. The Pectoral fin is located on the breast area of fishes. The John Dory has Pectoral fins to for locomotion and side to side movement
Interesting Facts and Information about John Dory