The giant California sea cucumber (Parastichopus californicus) is one of the ocean's most fascinating and unique creatures. Known for its ability to breathe and feed through its anus, this marine ...

Some, like the black sea cucumber (Holothuria atra), are common in tropical waters, while others, such as the giant red sea cucumber (Parastichopus californicus), can be found in colder ...

There are over 1,200 known species of sea cucumbers, each with its own unique characteristics. Some, like the black sea cucumber (Holothuria atra), are common in tropical waters, while others, such as ...