Twobanded Soapfish

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Diplioprion bifasciatum - (Cuvier, 1828)
Twobanded Soapfish

A nonaggressive species, but it will eat smaller tankmates. Scott W. Michael


The Twobanded Soapfish is attractive and well-suited to captivity in a larger reef setting. It may hide when initially introduced to its new home, but usually within hours it will start swimming about the tank.

Family: Serranidae

Other common name(s):

  • Barred Soapfish
  • Two-banded Grouper
  • Two-banded Sea Perch
  • Yellow-striped Grouper

Native range:

Maximum length: 25 cm (10 in)

Minimum aquarium size: 285 L (75 gal)

Water: Marine 24 °C (75 °F) - 28 °C (82 °F)


This species will eat finely chopped fresh seafood, frozen brine shrimp, frozen mysid shrimp, frozen preparations, and even flake food. May require live ghost shrimp or guppies to initiate a feeding response.

Aquarium Compatibility

The Twobanded Soapfish is not aggressive toward other fishes and will ignore all corals, but it will eat any small tankmate—fish or crustacean—it can swallow whole. Two or more of these fish can be kept together, rarely behaving aggressively toward each other. They may be picked on by overly aggressive tankmates, so be sure to provide plenty of suitable hiding places.

Reference: A PocketExpert Guide to Reef Aquarium Fishes
Image credit: SWM
Text credit: SWM