Species learning profile
Moorish idol
Zanclus cornutus
Moorish idol (Zanclus cornutus) is a saltwater fish associated with reef habitat in Indo-Pacific. A long white dorsal streamer trails above its disk-shaped body.
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At a glance
- Agua
- Agua salada
- Habitat
- Arrecife
- Longitud máxima
- 23 cm
- Distribución
- Indopacífico
- Familia
- Zanclidae
- Orden
- Acanthuriformes
Observe
How to identify Moorish idol
- A long white dorsal streamer trails above its disk-shaped body.
- Guide context: reef habitat in Indo-Pacific.
- Reported maximum length: 23 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
Travels alone, in pairs, or small groups
Food-web connections
What it eats and why it matters
Diet
Sponges, tunicates, and other bottom growth.
Ecological role
Browses reef invertebrate communities.
Remember
One fact worth keeping
Moorish idol puede medir unos 23 cm y suele encontrarse cerca de Arrecife.
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 Moorish idol 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.
Make connections