Saltwater Fish
Maroon Clownfish

Species Description…

Scientific Name: Premnas biaculeatus
Common Name: Maroon Clownfish
Species Group: Clownfish
Habitat: Reef Safe with Caution
Care Level: Intermediate
Temperament: Aggressive
Diet Type: Omnivore
Role in Aquarium: Host to Anemones
Max Fish Length: 4 (inches)
Min Aquarium Size: 30 (gallons)
Native Range: Indo-Pacific
Premnas biaculeatus - Maroon Clownfish

Premnas biaculeatus (Maroon Clownfish)

Overview

  • Native to the Indo-Pacific, commonly inhabiting coral reefs and lagoon areas.
  • Recognizable by its deep maroon coloration with distinctive white or yellowish vertical bands.
  • Known for bold personality, territorial nature, and striking appearance.
  • Popular among marine aquarists, best suited for intermediate to advanced hobbyists.

Feeding

  • Omnivorous; naturally consumes algae, zooplankton, small crustaceans, and marine invertebrates.
  • Easily accepts marine flakes, pellets, mysis shrimp, brine shrimp, and finely chopped seafood.
  • Feed multiple small meals daily to maintain optimal health and vibrant coloration.
  • A varied diet is crucial for balanced nutrition and overall health.

Habitat

  • Suitable for moderately sized aquariums (minimum 30 gallons) with ample swimming space and live rock structures.
  • Stable, mature aquarium environment essential for long-term health and success.
  • Provide plenty of hiding spaces, caves, and live rock to reduce stress and territorial aggression.
  • Moderate water flow and effective filtration required for maintaining excellent water quality.

Fish Care

  • Preferred water temperature: 74-80°F (23-27°C).
  • Recommended pH: 8.1-8.4; specific gravity: 1.020-1.025.
  • Hardy species but sensitive to rapid changes; regular water testing and consistent aquarium maintenance necessary.
  • Monitor closely for marine diseases and parasites; early detection and prompt treatment essential.

Compatibility

  • Semi-aggressive to aggressive; best kept with similarly sized, robust fish.
  • Generally reef-safe but may exhibit aggression towards smaller or passive tank mates.
  • Recommended companions include tangs, dwarf angelfish, larger wrasses, and robust damselfish.
  • Strong territorial nature; typically best housed singly or in a mated pair with caution.

Aquarium Behavior

  • Active and territorial, frequently seen patrolling and defending its chosen area.
  • Can be aggressive, especially during breeding or when guarding a host anemone.
  • Interacts actively with caretakers, especially during feeding times.
  • Providing clear territory boundaries and ample hiding spaces helps manage aggression.