Cholla
I love cactus. But I don’t know about the Cholla. This native of the American Southwest and Northern Mexico is sometimes called the Jumping Cactus. When you walk by them the long prickly spins grab to your clothing without your being aware that they have attached to you and before you know it, if you are not careful, you have a number of spiny balls hanging on your garments, as if they jumped out and grabbed you. And they are no fun to get off your person.
This photograph has nice depth of field focus drawing our attention to the cactus fruits. The side lighting gives good definition to the spines that are in focus. I like the touch of blue sky leading to a point directed to our subject. This would make a nice text book photograph.
I think that I would suggest cropping in a little closer to the subject to focus our attention on the upper part of the subject. The spines in the lower left corner are in competition for our attention.
Click on Image 
Cropped 
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