Acanthurus blochii
Ringtail Surgeonfish — Photo: By NPS photo - Bryan Harry - http://www.nps.gov/archive/npsa/NPSAfish/fish_pops/acanthur/tang25.htm, Public Domain, https://commons.wikimedia.org/w/index.php?curid=1344076
Ringtail Surgeonfish
http://www.fishbase.org/summary/4750
The Ringtail Tang comes from the Indo-Pacific region and grows into a large fish that needs a large tank with plenty of swimming space and plenty of live rock to graze on. When buying these fish be aware that stock can easily starve, do not buy fish with sunken bellies.
Min. Tank Size 600 litres.
Size 40-45 cm
Sg 1.020 - 1.025
pH 8.1 - 8.5
Temp. 23 -28 °C
Water Hardness 8-10 °d
Stocking Ratio 1:1 M:F
Diet Herbivore An algae eater and mainly graze on algae and spirulina but may also take lettuce, dried seaweed and zucchini in the aquarium.