Species learning profile
Thornback ray
Raja clavata
Thornback ray (Raja clavata) is a saltwater fish associated with demersal habitat in Europe. Large thorn-like spines run along its back and tail.
Your learning progress stays on this device.
At a glance
- পানি
- লোনা পানি
- Habitat
- সমুদ্রতল
- সর্বোচ্চ দৈর্ঘ্য
- 139 cm
- বিস্তৃতি
- ইউরোপ
- গোত্র
- Rajidae
- বর্গ
- Rajiformes
Observe
How to identify Thornback ray
- Large thorn-like spines run along its back and tail.
- Guide context: demersal habitat in Europe.
- Reported maximum length: 139 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 demersal habitat across Europe. It lives on or close to the bottom, where sediment, rock, depth, and bottom-dwelling prey matter most.
Behavior
Rests on sand and mud, camouflaged from prey
Food-web connections
What it eats and why it matters
Diet
Crustaceans, fish, and molluscs.
Ecological role
An important bottom predator on continental shelves.
Remember
One fact worth keeping
Thornback ray প্রায় 139 সেমি পর্যন্ত বড় হয় এবং সাধারণত সমুদ্রতল-এর কাছে থাকে।
Think like a conservationist
A conservation lens
Bottom-associated fish can be affected by seafloor disturbance, bycatch, warming, and changes to benthic prey.
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 Thornback ray 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