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Blue-headed Wrasse
Wrasse, Anthias, and Other Marine Fish

Blue-headed Wrasse

Thalassoma bifasciatum

Photo: Tibor Marcinek · Public domain · Wikimedia Commons

Key facts

  • Temperature23–27 °C
  • pH8.1–8.4
  • Minimum tank250 l
  • Adult size15 cm
  • Difficulty★☆☆☆☆
  • TemperamentSemi-aggressive
  • WaterMarine
  • Reef safeWith caution

Full profile

Family
Labridae
Origin
Tropical Western Atlantic
Size
15 cm
Temperature
23 – 27°C
pH
8.1 – 8.4
Salinity
1.023 – 1.025
Difficulty
★☆☆☆☆
Water type
marine
Swimming level
medium
Behavior
semi-aggressive
Minimum number of individuals
1
Minimum aquarium size
250 L
Diet
carnivore
Reproduction
oviparous; protogynous hermaphrodite
Reef Safe
⚠️ Use with caution

Notes: Adult males have blue heads, black and white bands, and green bodies. Juveniles are yellow.

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