The striped pyjama squid is a relatively small species, reaching a body length of only about 7 centimeters (2.8 inches). Despite their name, the striped pyjama squid is actually a type of cuttlefish, ...

Acorn barnacles live among the rocky shores of the north Atlantic Ocean as well as the north-east Pacific Ocean. They begin their lives as free-floating larvae, which eventually settle on a surface ...

Known for its distinctive yellow-green color, the yellow tube sponge can live as a single tube or in clusters. Like corals, they are stationary animals that live in one place their whole life. As ...

Unlike land snakes, olive sea snakes are fully marine — they live their entire lives at sea and come to the surface only to breathe. They can grow over 1.25 meters (4.1 feet) long, with paddle-like ...

Pacific angelsharks are a small, bottom-dwelling shark that loves to hang out on sandy seafloors, in shallow bays, estuaries, and even around rocky reefs and kelp forests. Males grow to be almost 1.2 ...

Scalloped hammerheads get their name from the prominent indentation at midline and distinct notches along the front edge of their wide, flattened heads—called a cephalofoil. Scientists have several ...

These large coastal sharks can grow to be up to 3 meters (10 feet) long, although sizes around 2.3-2.4 meters (7.5 -8 feet) are more common. Their most notable feature is two sensory barbels that hang ...

Found in shallow, coastal waters from central California to the Gulf of Mexico, the shovelnose guitarfish inhabits bays, sloughs, and estuaries, typically settling on soft sandy or muddy bottoms. Its ...

Whitetip reef sharks face threats from overfishing and habitat degradation. As a result, the species is listed as Vulnerable on the IUCN Red List. While not often specifically targeted, whitetip reef ...

Despite their protruding teeth giving them a menacing appearance, sand tigers have a reputation for being slow-moving, and not aggressive. They can measure up to 3.2 meters (10.5 feet) and can be ...

Learn more about the process known as “flags of convenience” and how they are strongly correlated with IUU fishing and labor ...

Spiny dogfish have slender, grayish-brown bodies with a pale underside, rarely growing over 1 meter (3.25 feet) long. A small but resilient species, they are found in temperate and boral waters ...