Classification
Within iNaturalist.org

All Names

  • Portuguese
    • Picnogonídeos
    • Aranhas-do-mar
  • Scientific Names
    • Pycnogonida
  • English
    • Sea Spiders
  • Russian
    • Морские пауки
    • Многоколенчатые
  • Belarusian
    • Марскія павукі
  • Spanish
    • Arañas de mar
  • Chinese (Traditional)
    • 海蛛綱(堅殖腺綱)
  • Japanese
    • ウミグモ綱

Extras

Taxonomic changes »

Taxon schemes »

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Wikipedia taxobox »

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Creative Commons Flickr Photos Tagged "Pycnogonida."

Recent observations

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

anudibranchmom

Date

November 19, 2015 11:38 AM PST

Description

Two! About 1.5" across ("large" for local sea spiders!). Additional photos include highly photoshopped versions to better see their markings.

Photos / Sounds

Square

What

Sea Spider Ammothella biunguiculata

Observer

jthomas19

Date

November 4, 2015 02:39 PM CST

Description

Found upon drift wood near Malaquite beach at North Padre Island near Corpus Christi, Tx

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

anudibranchmom

Date

October 1, 2015

Photos / Sounds

Square

What

Sea Spiders Class Pycnogonida

Observer

deniseksf

Date

August 13, 2015

Place

Pier 15 (Google, OSM)

Photos / Sounds

Square

What

Sea Spiders Class Pycnogonida

Observer

kestrel

Date

August 13, 2015 12:14 PM PDT

Photos / Sounds

Square

What

Stearns' Sea Spider Pycnogonum stearnsi

Observer

rebeccafay

Date

June 19, 2015 07:46 AM PDT

Photos / Sounds

Square

What

Stearns' Sea Spider Pycnogonum stearnsi

Observer

rebeccafay

Date

June 19, 2015 07:45 AM PDT

Photos / Sounds

What

Stearns' Sea Spider Pycnogonum stearnsi

Observer

badwound

Date

June 4, 2015 06:53 AM PDT

Photos / Sounds

Square

What

Stearns' Sea Spider Pycnogonum stearnsi

Observer

loarie

Date

June 5, 2015 09:12 AM PDT

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

sarka

Date

June 5, 2015

Description

Two legs are missing. Found on rock at intracoastal under a peir in 3' water.

Photos / Sounds

Square

What

Stearns' Sea Spider Pycnogonum stearnsi

Observer

kestrel

Date

June 4, 2015 05:53 AM PDT

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

anudibranchmom

Date

May 23, 2015 01:02 PM PDT
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.