Same an in humans... The spine.
However, you questions says 'ON A FISH' so you may be thinking of the fin on a shark?
In that case it is called the dorsal fin.
Another name for devils backbone is Backbone Mountain.
another name for backbone is vertebrae column
The spine.
vertabre
your spine
vertebrate
It is a backbone.
All fish have a backbone and a skull.
Yes, fish do have a backbone. They are vertebrates, which means they have a spinal column made up of individual vertebrae that protect their spinal cord. This backbone provides support and structure for their body.
a fish with a backbone
Finfish is another name for fish.
No it is a vertebrate. Fish have a backbone. Invertebrates do not have a backbone.