ADVERTISEMENT
  About the SA Blog Network

Posts Tagged "arms"

Observations

5-Armed Brittle Stars Always Face Front [Video]

brittle star

How would you walk if you had five arms and no brains? If you’re a brittle star, the answer turns out to be quite well (for an echinoderm)—although it’s a little complicated. The blunt-spined brittle star (Ophiocoma echinata) looks like a claymation creature from an alien horror movie as it moves its disk-like body along [...]

Keep reading »

More from Scientific American

Email this Article

X