Species learning profile
Maroon clownfish
Premnas biaculeatus
Maroon clownfish (Premnas biaculeatus) is a saltwater fish associated with reef habitat in Indo-Pacific. Females grow much larger than males and carry cheek spines.
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At a glance
- Água
- Água salgada
- Habitat
- Recife
- Comprimento máximo
- 17 cm
- Distribuição
- Indo-Pacífico
- Família
- Pomacentridae
- Ordem
- Perciformes
Observe
How to identify Maroon clownfish
- Females grow much larger than males and carry cheek spines.
- Guide context: reef habitat in Indo-Pacific.
- Reported maximum length: 17 cm — roughly ruler-length. Maximum is not the same as typical adult size.
Field note: color, size, and markings can change with age, sex, season, depth, and lighting. Use several traits together.
Place and pattern
Where it lives—and how it behaves
Habitat and range
This species is associated with reef habitat across Indo-Pacific. Reef crevices provide shelter while current, coral, algae, and neighboring animals supply food.
Behavior
Forms a strict pair within a host anemone
Food-web connections
What it eats and why it matters
Diet
Plankton, algae, and small invertebrates.
Ecological role
Supports anemone health through cleaning and nutrients.
Remember
One fact worth keeping
Maroon clownfish pode chegar a cerca de 17 cm e costuma viver perto de Recife.
Think like a conservationist
A conservation lens
Reef fish are affected by coral loss, warming, destructive fishing, pollution, and the removal of key grazers or predators.
This habitat lens is not a current population-status assessment. Status can differ among regions and change as new assessments are published; follow the reference links and local fisheries or wildlife agencies for current decisions.
Recall
Quick knowledge check
Which habitat is most closely associated with Maroon clownfish in this guide?
Keep exploring
References and further reading
Fishdle summarizes stable identification and ecology concepts in plain language. Taxonomy and population knowledge continue to change, so use primary assessments and regional authorities for conservation or management decisions.
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