Most cactus spines are fairly straight, but the fishhook barrel cactus has spines curved into a fishhook shape (I don't mean barbs). Are there any good ideas why that shape evolved?

fishhook barrel cactus (Cactus of Metro Phoenix (April 2021

What are the behavioral adaptations of a cactus? - Quora

Fishhook Barrel Cactus

How to help a fallen over cactus - Quora

Most cactus spines are fairly straight, but the fishhook barrel

Fishhook Barrel Cactus - English Edition

The Fish Hook Barrel Cactus is a True Sonoran Desert Beauty

FISHHOOKS AND PINCUSHIONS

What are the behavioral adaptations of a cactus? - Quora

Close up spines fishhook cactus hi-res stock photography and

Why has this cactus plant got curly spines? Is there any clue as

Most cactus spines are fairly straight, but the fishhook barrel

Close up spines fishhook cactus hi-res stock photography and