Maroon Clownfish (Premnas biaculeatus) in aquarium
๐ŸŒฟ Saltwater ยท Tropical

Maroon Clownfish

Premnas biaculeatus โ€” Pomacentridae
๐Ÿ“ Size:ย 6-8
โณ Lifespan:ย 5
โญ Care level:ย Beginner

Overview

The Maroon Clownfish is a popular choice for beginners due to its hardy nature and striking appearance. It thrives in a well-maintained saltwater aquarium with ample swimming space and a variety of live rock for territory. This fish is generally peaceful but may show aggression towards other clownfish species. Regular water quality maintenance is crucial for their health.

Quick fact: Premnas biaculeatus belongs to the family Pomacentridae. Care level: beginner.

Scientific Classification

RankClassification
FamilyPomacentridae
GenusPremnas
SpeciesPremnas biaculeatus
Water typesaltwater

Natural Habitat

Native to the Great Barrier Reef and surrounding tropical Pacific Ocean reefs, the Maroon Clownfish is commonly found in rocky areas with a mix of coral and algae.

Appearance

The Maroon Clownfish is distinguished by its deep red coloration with a broad white band running along its body, bordered by blue spots. It has a prominent, flattened head and a laterally compressed body.

Coloration: Red with white band and blue spots

Behavior

Maroon Clownfish are generally peaceful and can be kept in a community tank with other non-aggressive fish. They are territorial and will defend their space. It is best to keep them with fish that are similar in size and temperament.

TraitValue
Temperamentpeaceful community fish
SchoolingNo
Activity levelmoderate
Important: Can be aggressive to other clownfish

Water Requirements

ParameterIdeal RangeNotes
Temperature24.4โ€“27.8ยฐC (76โ€“82ยฐF)Use a reliable adjustable heater
pH8.1โ€“8.4Avoid sudden swings
Hardness (GH)8-12 dGH dGHSoft to moderately hard
Ammonia0 ppmAny detectable ammonia signals a problem
Nitrite0 ppmToxic even at low levels
Nitrate<20 ppmManage through regular partial water changes
Min. tank100L (26 gal)Larger tanks are easier to keep stable
Important: Always dechlorinate tap water before adding it to the tank. Chlorine and chloramines damage a fish's gills and reduce life expectancy.

Interesting Facts

  • They are the only clownfish known to breed in captivity.
  • Maroon Clownfish are often seen with their anemone symbiotic partners.
  • Their coloration is thought to be a form of camouflage.

๐Ÿ“‹ Full Care Guide

Ready to set up a tank for your Maroon Clownfish? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.

Read Maroon Clownfish Care Guide โ†’

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Editorial review

This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.