presenting a pebble to its mate and see a "proposal." We watch swim with entwined tails and see "holding hands."
Beyond the violent tropes lies the most underrated source of romantic storylines: . In biology, symbiosis refers to two different species living in close association. There are three types: Parasitism (one benefits, one suffers), Commensalism (one benefits, one is unaffected), and Mutualism (both benefit).

