Sea dace, also known as the sand eel, is a small, slim-bodied fish found in coastal waters. Synonyms for sea dace include the silver eel, conger eel, or garfish. These terms are often used interchangeably to refer to this species, known for its elongated body shape and shimmering silver scales. Sea dace are an important part of the marine ecosystem, serving as a vital food source for larger predators like seabirds and larger fish. Their slender physique allows them to glide effortlessly through the water, making them well adapted to their oceanic habitat. With such diverse synonyms, the sea dace remains an intriguing and pivotal species in the underwater world.