Classification
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All Names

  • English
    • Tunicates
    • Ascidians
    • Sea Squirts
  • Scientific Names
    • Ascidiacea
  • Spanish
    • Ascidias

Extras

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Creative Commons Flickr Photos Tagged "Ascidiacea."

Recent observations

Photos / Sounds

Square

What

Sea Squirts Class Ascidiacea

Observer

ashlee_vuong

Date

November 30, 2016 04:19 PM PST

Photos / Sounds

Observer

tangatawhenua

Date

November 28, 2016 01:51 PM NZDT

Description

I think this may be part of this whanau. About 20mm wide.

Found under a rock in the mid intertidal zone.

Photos / Sounds

No photos or sounds

Observer

mckittre

Date

November 29, 2016 07:57 PM AKST

Description

Washed up in a storm

Photos / Sounds

Square

What

Sea Squirts Class Ascidiacea

Observer

bjsmit

Date

February 24, 2016 02:13 AM CET

Photos / Sounds

Square

Observer

anudibranchmom

Date

November 25, 2016 12:06 AM PST

Photos / Sounds

Square

What

Sea Squirts Class Ascidiacea

Observer

anudibranchmom

Date

November 25, 2016 12:37 AM PST

Photos / Sounds

Square

Observer

anudibranchmom

Date

November 25, 2016 01:15 AM PST

Description

White flecks on tunic wall

Photos / Sounds

Square

What

Sea Vase Ciona intestinalis

Observer

anudibranchmom

Date

November 25, 2016 01:14 AM PST

Description

No white flecks on tunic wall

Photos / Sounds

Square

What

Sea Squirts Class Ascidiacea

Observer

anudibranchmom

Date

November 24, 2016 11:56 PM PST

Description

Looks very similar to a tunicate I saw in Port Aransas, Texas: http://www.inaturalist.org/observations/2927279

Photos / Sounds

Square

What

Sea Tulip Pyura spinifera

Observer

richardling

Date

September 21, 2007 11:02 AM AEST

Description

Biscuit Stars (Pentagonaster dubeni) among Sea Tulips (Pyura spinifera)

Photos / Sounds

What

Sea Tulip Pyura spinifera

Observer

richardling

Date

August 29, 2007 01:56 PM AEST

Description

Sea Tulips (Pyura spinifera) get their vivid colours from a symbiotic relationship with a colourful sponge (Halisarca australiensis)

Photos / Sounds

Square

What

Sea Squirts Class Ascidiacea

Observer

richardling

Date

June 8, 2006 06:57 PM AEST

Description

Guenther's Wrasse (Pseudolabrus guentheri) sleeps among ascidians (Ascidiacea) on a wharf pylon

View all observations

Description from Wikipedia

Ascidiacea (commonly known as the ascidians or sea squirts) is a class in the Tunicata subphylum of sac-like marine invertebrate filter feeders. Ascidians are characterized by a tough outer "tunic" made of the polysaccharide tunicin, as compared to other tunicates which are less rigid.

No range data available.
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