cute cartoon doodle character dolphin and quote swim like a fish in flat style.

dolphin jellyfish starfish octopus marine life underwater collection isolated whale wildlife crab cute cartoon turtle nature ocean sea water animal coral character flat fauna algae stingray children funny undersea baby happy shell wild bubble drawing childish eye design element seashell squid postcard poster smile seal biodiversity hand drawn print kid mammal doodle quote swim like fish style card apparel decor sticker