Species learning profile
Giant trevally
Caranx ignobilis
Giant trevally (Caranx ignobilis) is a saltwater fish associated with reef habitat in Indo-Pacific. This powerful jack may use shallow water and even breaking waves to trap prey.
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At a glance
- المياه
- مياه مالحة
- Habitat
- شعاب مرجانية
- أقصى طول
- 170 cm
- النطاق
- الهندي والهادئ
- الفصيلة
- Carangidae
- الرتبة
- Carangiformes
Observe
How to identify Giant trevally
- This powerful jack may use shallow water and even breaking waves to trap prey.
- Guide context: reef habitat in Indo-Pacific.
- Reported maximum length: 170 cm — capable of growing longer than many people are tall. 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
Hunts alone or in coordinated groups
Food-web connections
What it eats and why it matters
Diet
Fish, squid, and crustaceans.
Ecological role
Apex predator across reefs and lagoons.
Remember
One fact worth keeping
قد يصل طول Giant trevally إلى نحو 170 سم، ويوجد غالبًا قرب شعاب مرجانية.
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 Giant trevally 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