Classification
Within iNaturalist.org

All Names

  • Scientific Names
    • Pycnogonida
  • English
    • Sea Spiders
  • Spanish
    • Arañas de mar

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Creative Commons Flickr Photos Tagged "Pycnogonida."
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Recent observations

Photos / Sounds

Square

What

Stearns' Sea Spider Pycnogonum stearnsi

Observer

rebeccafay

Date

November 20, 2014 04:24 PM PST

Photos / Sounds

Observer

anudibranchmom

Date

October 11, 2014 01:30 PM PDT

Description

Biggest sea spider I've seen, about 1" across. Appeared to be carrying an egg mass. Second photo shows head detail (not for the faint of heart).

Photos / Sounds

What

Ammothea hilgendorfi Class Pycnogonida

Observer

anudibranchmom

Date

October 6, 2014 02:08 PM PDT

Description

About 1/4" across; found on dock. Banded legs.

ID as per: http://nathistoc.bio.uci.edu/Pycnogonida/Ammothea.htm

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

dpom

Date

September 6, 2014

Photos / Sounds

Observer

anudibranchmom

Date

September 6, 2014 12:35 PM PDT

Description

About 2 cm across. Curled in a ball when threatened. See video: http://youtu.be/a_ITM6u54ck

Photos / Sounds

No photos or sounds

Observer

dremsen

Date

August 1, 2014

Description

Collected two specimens in dredge.

Photos / Sounds

Observer

kueda

Date

June 28, 2014 02:09 PM PDT

Description

Hangin' in the Bugula.

Photos / Sounds

Square

Observer

kueda

Date

June 15, 2014 06:58 AM PDT

Description

Tiny. Pretty sure I don't have the detail here to go further with an ID.

Photos / Sounds

P7241723

What

Sea Spiders Class Pycnogonida

Observer

davidr

Date

July 24, 2013 08:01 AM HST

Photos / Sounds

P7231679

What

Sea Spiders Class Pycnogonida

Observer

davidr

Date

July 23, 2013 06:00 PM HST

Photos / Sounds

What

Stearns' Sea Spider Pycnogonum stearnsi

Observer

anudibranchmom

Date

May 3, 2014 08:22 AM PDT

Description

Saw two of these 'beauties' today. Thanks Ron Wolf for the great macro photo and the ID.

Photos / Sounds

Square

Observer

allisonjgong

Date

April 20, 2014
View all observations

Description from Wikipedia

Sea spiders, also called Pantopoda or pycnogonids, are marine arthropods of class Pycnogonida. They are cosmopolitan, found especially in the Mediterranean and Caribbean Seas, as well as the Arctic and Antarctic Oceans. There are over 1300 known species, ranging in size from 1 to 10 millimetres (0.039 to 0.39 in) to over 90 cm (35 in) in some deep water species. Most are toward the smaller end of this range in relatively shallow depths, however, they can grow to...

No range data available.