👉 Malacosteus is a genus of small, slow-moving marine invertebrates that are commonly found in warm and temperate waters. They have a segmented body with two pairs of arms, each extending from the head to a point on the side of the body. The arms are covered in long, thin tentacles, which are used for capturing prey or for navigating through water. Malacosteus is known for their ability to live in saltwater and can adapt to different environmental conditions, making