I can't remember which channel it was on, but I believe it was titled Reef Predators.
It was pretty good, and one I hadn't already seen, so that was a plus!
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The show stated the venom temporarily paralyzed the starfish, not killed it outright.
How do they "sting"? I couldn't really tell.
Saz
Originally Posted by
ewetmill
http:///forum/post/2448201
Scientists don't seem to agree that they are venomous. I have read they kill with venom, and I've read that their sting anesthetizes the stars, and I've read they do neither. I personally agree with the latter based on how they ate the CC star I gave them. They flipped it upside down, and started with the tips of the legs and moved inwards towards the center. They definitely didn't kill the star with a sting because it was constantly moving its legs as they consumed it. I also don't think they anesthetized it for the same reason. One time they moved away from it for a while, and it actually flipped over and started to move away. It wasn't long before they had it flipped over again.
I have also read that they feed the star to keep it alive longer, but I couldn't tell if they were feeding it or not. Although, they did seem to stand over the mouth quite often.
They definitely have a lair and rarely leave it. They went through great effort dragging the star back to their lair. I got a picture of one that briefly left to find food, an asteria star. I will post it tonight when I get home from work.
I would love to know what show that was, so I can watch it also. Was it on Discovery channel?