Bobbit worms hunt via burying themselves underground and then when a fish comes nearby, they leap up almost instantly and then grab the fish and drags them underneath where they eat it
well, due to eden's low gravity and high levels of oxygen, there would most likely be larger predators, like the beast (another alien im currently working on)
but it would definitely be one of the biggest
What if the venom just makes its bones liquidified which it slurps it out then throws out the still alive animal to be used as bait for another creature to eat it, which the cycle repeats over and over