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Zoanthids
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Regal Blue Tang
Paracanthurus hepatus
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📖 Wikipedia / Wikimedia Commons
The iconic 'Dory' fish from Finding Nemo. Stunning royal blue with a yellow tail and black 'palette' marking. Active open-water swimmer — needs a large tank (75gal+). Prone to ich; a healthy, low-stress environment is essential. Completely reef-safe and peaceful with most fish.
CARE
Intermediate
AGGRESSION
Peaceful
MAX SIZE
12"
⚠ ADD WITH CAUTION
· Intermediate care — above your beginner experience level
· Tank needs 3 more months of maturity
💰 BUDGET PICK
VALUE
WOW FACTOR
TYPICAL PRICE
~$30–60
Instantly recognizable, stunning blue color, completely reef-safe. One of the best value showpiece fish.
🌊 WATER PARAMS
ParamStatusIdeal
TemperatureOK (78.4)72–82 °F
SalinityOK (1.025)1.023–1.026 sg
pHOK (8.22)8.1–8.4
Nitrate NO₃⁻OK (8.0)0–10 ppm
Tank Compatibility
🦐 Skunk Cleaner ShrimpCompatible
🪸 Duncan CoralCompatible
🦀 Emerald CrabCompatible
🐟 Firefish GobyCompatible
🐟 Flasher WrasseCompatible
🌺 Gigantea Carpet AnemoneCompatible
🪸 Hammer CoralCompatible
🦀 Blue Leg Hermit CrabCompatible
🐌 Lettuce Sea SlugCompatible
🌺 Malu AnemoneCompatible
🐡 Ocellaris ClownfishCompatible
🐟 Orchid DottybackCompatible
🐟 Royal GrammaCompatible
🪸 Acropora SPSCompatible
🐟 Starry BlennyCompatible
🐟 Tailspot BlennyCompatible
🪸 Torch CoralCompatible
🐚 Turbo SnailCompatible
🐟 Yellow TangCaution