![American Museum of Natural History on X: "You might be surprised to know that this feather-like structure—dubbed a sea pen—is a colony of polyps working together to survive in the ocean. Polyps American Museum of Natural History on X: "You might be surprised to know that this feather-like structure—dubbed a sea pen—is a colony of polyps working together to survive in the ocean. Polyps](https://pbs.twimg.com/media/DwQRZI4WoAgoBv5.jpg)
American Museum of Natural History on X: "You might be surprised to know that this feather-like structure—dubbed a sea pen—is a colony of polyps working together to survive in the ocean. Polyps
![Hakai Institute on X: "Orange sea pens anchor themselves in the sand. Like their hard coral cousins, sea pens are a colony of polyps that use sticky tentacles to capture plankton as Hakai Institute on X: "Orange sea pens anchor themselves in the sand. Like their hard coral cousins, sea pens are a colony of polyps that use sticky tentacles to capture plankton as](https://pbs.twimg.com/media/DQTKp1IUIAAmnIs.jpg)
Hakai Institute on X: "Orange sea pens anchor themselves in the sand. Like their hard coral cousins, sea pens are a colony of polyps that use sticky tentacles to capture plankton as
Planet Earth Phenomenon - Sea pens are colonial marine cnidarians belonging to the order Pennatulacea. There are 16 families within the order; they are thought to have a cosmopolitan distribution in tropical
![Sea Pen - While generally permanently attached directly by the base type animals, sea pens are able to relocate and r… | Sea animals, Underwater life, Ocean fishing Sea Pen - While generally permanently attached directly by the base type animals, sea pens are able to relocate and r… | Sea animals, Underwater life, Ocean fishing](https://i.pinimg.com/736x/d6/79/f9/d679f9ea5475b9f4f42dca9dcc6cd320.jpg)