A professional who feeds, describes, and identifies fish enclosed in aquarium or community fish tank for public amusement. Respnsibilities include:

• Dons diving suit and helmet and drops to floor of tank to feed fish on scheduled show periods.
• Circulates among fish and delivers running commentary over sound system to amuse audience.
• Identifies for audience species of fish being fed, such as bat rays, sawfish, and sharks, and describes briefly life history of individual specimens, based on prepared text.
• Cleans bottom of tank, using suction hose, and clears algae from windows inside tank, using scrubbing brushes.
• Observes and reports diseased, injured, or dead fish.
• Gives routine medical treatment to fish as directed.