Another member of the echinoderm phylum, feather stars share some characteristics with true starfish, but also have their very own intriguing adaptations and behaviors, which make them a fascinating find for SCUBA divers!
Feather stars are a group of crinoids that do not have stalks, reside in the ocean, typically in shallow, warm waters. Some species do, however, exist in colder waters and deeper areas.Over 500 species of feather stars exist in habitats ranging from the littoral zone to several thousands of meters in depth. They are related to echinoderms like sea urchins, starfish, and sea cucumbers.
الاسم العلمي لسمك القرش النائم SLEEPER SHARK هو سومينوسوس باسيفيكوس من أسرة سومنيوسيداي، ويتواجد على الرفوف والمنحدرات القارية في القطب الشمالي والمياه المعادلة من السطح…