They hatch adders' eggs, and weave the spider's web he who eats of their eggs dies and that which is crushed breaks out into a viper.

They hatch cockatrice' eggs, and weave the spider's web he that eateth of their eggs dieth, and that which is crushed breaketh out into a viper.

This is a viperfish, and it's got a lure on the end of a long fishing rod that it arches in front of the toothy jaw that gives the viperfish its name.

But when Paul had gathered a bundle of sticks and laid them on the fire, a viper came out because of the heat, and fastened on his hand.

And when Paul had gathered a bundle of sticks, and laid them on the fire, there came a viper out of the heat, and fastened on his hand.

This shrimp is actually spewing light out of its mouth like a fire breathing dragon in order to blind or distract this viperfish so that the shrimp can swim away into the darkness.