Skip to content

Spiders of the Sea – Picnogonids

May 13, 2013

Originally posted on Deepwater Canyons:

A question from Zach came through the blog recently, asking about the coolest animal we have brought up so far. Pycnogonids, or sea spiders, was the answer, and after learning more about them, an entire post on these extraordinary creatures was due.

These “sea spiders” are found all over the world, from shallow water reefs in the tropics to these deep areas of the canyons. They range in size from about a third of an inch to 35 inches.  Although they are arthropods, they aren’t truly spiders, and there is debate where they should be classified. There is some thought that they are an ancient sister group to all living arthropods.  Pycnogonid means “thick knees” and they certainly have obvious joints along their legs. When they walk, the resemblance to spiders is unmistakable, however they can also swim by pulsing their legs to propel themselves through the water.

Holding one…

View original 376 more words

No comments yet

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Follow

Get every new post delivered to your Inbox.

Join 71 other followers

%d bloggers like this: