Asterias rubens

36cm
0-650m
1541 sites
Asteriidae
Imagine gliding along the seabed in the North Atlantic or Eastern Pacific, and spotting a familiar five-armed star clinging to a rock or scavenging across the sand. That's likely the Common Sea Star, or *Asterias rubens*. While not the most flamboyant creature, these starfish are fascinating members of the underwater ecosystem. They're relatively large, sometimes reaching over half a meter across, and play a crucial role as carnivores, helping to keep populations of other invertebrates in check. While you may not find dive sites specifically known for sea stars, keep an eye out; their presence is a sign of a healthy benthic environment. Spotting one of these iconic creatures is a rewarding experience for any ocean enthusiast. Although not a rare sight, Common Sea Stars are still a delight to observe. They're a reminder of the incredible diversity of life that thrives beneath the waves. Their slow, deliberate movements as they search for food are mesmerizing, and their ability to regenerate lost limbs is a testament to the resilience of nature. So, keep your eyes peeled – you never know when you might encounter one of these fascinating starfish on your next dive!
Common Sea Stars are typically a reddish-orange color, though they can vary from pale yellow to brown or even purple. They usually have five arms radiating from a central disc, but occasionally you'll find individuals with four or six. The upper surface is covered in blunt spines, giving it a slightly rough texture. Look for their characteristic slow, crawling movement across the seabed, or their distinctive star shape clinging to rocks and other surfaces.
108 sites