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Pajama Cardinalfish
Sphaeramia nematoptera
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📖 Wikipedia / Wikimedia Commons
Quirky spotted cardinalfish with a bold polka-dot pattern and distinctive vertical mid-body stripe. Slow, deliberate swimmer that hovers among coral branches. Completely reef-safe. Does well in small groups of 3–5. Mouthbrooder — males carry eggs in their mouths.
CARE
Beginner
AGGRESSION
Peaceful
MAX SIZE
3"
⚠ ADD WITH CAUTION
· Tank needs 1 more month of maturity
💰 BUDGET PICK
VALUE
WOW FACTOR
TYPICAL PRICE
~$15–25
Unusual spotted pattern and calm demeanor. One of the most peaceful, reef-safe fish available.
🌊 WATER PARAMS
ParamStatusIdeal
TemperatureOK (78.4)72–80 °F
SalinityOK (1.025)1.023–1.027 sg
pHOK (8.22)8.1–8.4
Nitrate NO₃⁻OK (8.0)0–20 ppm
Tank Compatibility
Ocellaris ClownfishCompatible
Royal GrammaCompatible
Tailspot BlennyCompatible
Firefish GobyCompatible
Yellow TangCompatible
Six Line WrasseCompatible
Orchid DottybackCompatible
Torch CoralCompatible
Hammer CoralCompatible
Acropora SPSCompatible
Duncan CoralCompatible
Skunk Cleaner ShrimpCompatible
Turbo SnailCompatible
Blue Leg Hermit CrabCompatible