Ensis minor, or the jackknife clam, is a long, smooth-shelled, burrowing clam found in the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

. These clams are often collected for food. ''Ensis minor'' can grow up to in length. It is white, sometimes with reddish-brown markings.

References

Pharidae Commercial molluscs {{Bivalve-stub