Species learning profile
Bowmouth guitarfish
Rhina ancylostoma
Bowmouth guitarfish (Rhina ancylostoma) is a saltwater fish associated with reef habitat in Indo-Pacific. Heavy ridges and thorny crests armor its broad rounded head.
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At a glance
- Eau
- Eau salée
- Habitat
- Récif
- Longueur maximale
- 270 cm
- Répartition
- Indo-Pacifique
- Famille
- Rhinidae
- Ordre
- Rhinopristiformes
Observe
How to identify Bowmouth guitarfish
- Heavy ridges and thorny crests armor its broad rounded head.
- Guide context: reef habitat in Indo-Pacific.
- Reported maximum length: 270 cm — a genuinely giant fish. 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
Forages on sand near reefs
Food-web connections
What it eats and why it matters
Diet
Crabs, lobsters, and molluscs.
Ecological role
A large predator of hard-shelled bottom animals.
Remember
One fact worth keeping
Bowmouth guitarfish peut atteindre environ 270 cm et vit souvent près de Récif.
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 Bowmouth guitarfish 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