


Species Profile
Blue Hippo Tang
Paracanthurus hepatus
Also known as: Regal Tang, Palette Surgeonfish, Dory
Tangssemi-aggressive
Adult size
12″
Minimum tank
125 gal
Temperature
72–82°F
pH
8.1–8.4
Schooling
Solitary OK
Water level
mid
Grows from juvenile
Typically sold at ~2″ and reaches 12″ over ~3 years. Plan tank size for the adult, not the fish at purchase.Diet
Marine algae sheets, seaweed, herbivore pellets, frozen mysis
Notes
The 'Dory' tang — royal-blue body with a black palette pattern. Reaches a foot long and needs serious swimming room. Prone to ich; a long quarantine before adding to a display is non-negotiable.
Photo: Tewy / Wikimedia Commons · Source · CC-BY-2.5