"I've never been hurt by a sea creature, except for jellyfish and sea urchins"

This quote by Peter Benchley suggests that he has actually had some experience with sea animals, but has never ever been injured by them, other than for jellyfish and sea urchins. This recommends that he has actually come across these creatures in the past, however has handled to avoid being hurt by them. It also indicates that he knows the potential danger positioned by these animals, and is taking actions to secure himself from them. This quote likewise implies that he has a specific level of regard for the animals of the sea, as he is taking the time to recognize the prospective risk they can present. He is also revealing a level of gratitude for the charm and variety of the creatures of the sea, as he is taking the time to acknowledge the potential threat they can position.