This is a vintage-style engraving depicting a sea serpent emerging from the water. The serpent has a long, serpentine body with a distinct head resembling a dolphin or whale, complete with a beak-like snout. It's partially submerged, with a significant portion of its body still underwater. The serpent is expelling a large plume of water from its mouth, creating a dramatic spray that rises high above the surface. The water around the serpent is depicted with rough, choppy lines, suggesting movement and turbulence. The style of the engraving is reminiscent of 19th-century illustrations, with detailed cross-hatching and a focus on texture. The overall impression is one of a fantastical, mythical creature in its natural habitat.