Species Gallery (Ascidiacea)
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Lone Ascidia conchilega on a silty seabed.
Copyright: Lin Baldock

Ascidia mentula on a rock wall with Bispura volutacornis, Abereiddy Quarry, Pembrokeshire.
Copyright: Dr Keith Hiscock

Ascidia mentula
Copyright: Dr Keith Hiscock

Ascidia mentula covered in silt.
Copyright: Paul Newland

Close-up of Ascidiella aspersa growing on marina pontoon.
Copyright: Judith Oakley

Ascidiella scabra.
Copyright: Dr Hilmar Hinz

Botrylloides leachii.
Copyright: Dr Keith Hiscock

Botrylloides leachii growing over a kelp holdfast
Copyright: Gordon Lang

Botrylloides leachii on bedrock.
Copyright: Dr Keith Hiscock

Botrylloides leachii under a boulder.
Copyright: Judith Oakley

Botrylloides violaceus from marina pontoon.
Copyright: Judith Oakley

Botrylloides violaceus from marina pontoon.
Copyright: Judith Oakley

Exposed Botrylloides violaceus.
Copyright: Judith Oakley

Colony of Botryllus schlosseri on rock.
Copyright: Dr Keith Hiscock

Botryllus schlosseri and Calliostoma zizyphinum.
Copyright: Dr Keith Hiscock

Botryllus schlosseri at Skomer Island.
Copyright: Judith Oakley

Botryllus schlosseri on a rocky shore.
Copyright: Judith Oakley

Botryllus schlosseri over Styela clava.
Copyright: Judith Oakley

Botryllus schlosseri under an overhang.
Copyright: Judith Oakley

Botryllus schlosseri.
Copyright: Dr Keith Hiscock

Botryllus schlosseri.
Copyright: Dr Keith Hiscock

Botryllus schlosseri. Most likely a transparent colony growing on red algae.
Copyright: Judith Oakley

A blue morph star ascidian.
Copyright: Judith Oakley

Dark coloured Botryllus schlosseri.
Copyright: Judith Oakley

The colonial sea squirt Botryllus schlosseri.
Copyright: Dr Keith Hiscock

The solitary sea squirt Ciona intestinalis.
Copyright: Dr Keith Hiscock

Ciona intestinalis and a few Clavelina lepadiformis.
Copyright: Judith Oakley

Ciona intestinalis in shallow waters.
Copyright: Judith Oakley

Close up view of a Ciona intestinalis individual.
Copyright: John Rundle

Dense aggregation of Ciona intestinalis.
Copyright: Sue Scott

Dense aggregation of Ciona intestinalis.
Copyright: Sue Scott

Clavelina lepadiformis.
Copyright: Dr Keith Hiscock

Clavelina lepadiformis
Copyright: Dr Keith Hiscock

Clavelina lepadiformis in deeper water.
Copyright: Judith Oakley

Clavelina lepadiformis on the sea shore.
Copyright: Judith Oakley

Clavelina lepadiformis patch on a sedimented seabed.
Copyright: Paul Newland

Close up of Clavelina lepadiformis.
Copyright: Dr Keith Hiscock

Light bulb sea squirts and feather stars.
Copyright: Dr Keith Hiscock

Small group of Clavelina lepadiformis.
Copyright: Dr Keith Hiscock

Corella eumyota, an invasive species.
Copyright: Judith Oakley

Corella eumyota on a rocky shore.
Copyright: Judith Oakley

Corella eumyota at Wembury.
Copyright: Judith Oakley

Corella parallelograma
Copyright: Dr Keith Hiscock

Colony of Dendrodoa grossularia on rock surface.
Copyright: Dr Keith Hiscock

Dendrodoa grossularia covered in particles.
Copyright: Fiona Crouch

Dendrodoa grossularia exposed on a rocky shore.
Copyright: Judith Oakley

Baked bean sea squirt on an overhang.
Copyright: Dr Keith Hiscock

Baked bean sea squirts and feather stars dominating rock above a overhang.
Copyright: Dr Keith Hiscock

Close up of Dendrodoa grossularia.
Copyright: Dr Keith Hiscock

Wall of Dendrodoa grossularia.
Copyright: Judith Oakley

Diazona violacea, football sea squirt at ca. 20 m, Trintiy Rock, Isles of Scilly.
Copyright: Dr Keith Hiscock

Diazona violacea
Copyright: Paul Newland

Diazona violacea, football sea squirt with sea fan Swiftia pallida.
Copyright: Sue Scott

A colony of Diazona violacea on the sea floor.
Copyright: Paul Newland

Close up of Diazona violacea, football sea squirt.
Copyright: Dr Keith Hiscock

Football seasquirt colony.
Copyright: Paul Newland

The invasive sea squirt Didemnum vexillum, found on a pontoon in the River Dart.
Copyright: Fiona Crouch

The invasive sea squirt Didemnum vexillum, found on a pontoon in the River Dart.
Copyright: Fiona Crouch

Diplosoma listerianum.
Copyright: Fiona Crouch

Lesser gooseberry sea squirt Distomus variolosus.
Copyright: Dr Keith Hiscock

Distomus variolosus on rocks
Copyright: Dr Keith Hiscock

The lesser gooseberry sea squirt Distomus variolosus growing on the stipe of Laminaria hyperborea.
Copyright: Judith Oakley

Molgula manhattensis dominated seabed, Middle Channel Rocks, entrance to Milford Haven.
Copyright: Dr Keith Hiscock

Sea grapes Molgula manhattensis.
Copyright: Judith Oakley

Colonies of Morchellium argus.
Copyright: Paul Newland

Colony of Perophora japonica on fucoid alga.
Copyright: Marine Biological Association of the UK (MBA)

Perophora japonica growing on Ascidiella aspersa.
Copyright: Judith Oakley

Perophora japonica growing on rope hanging from marina pontoon.
Copyright: Judith Oakley

Perophora japonica on Styela clava
Copyright: Dr John Bishop

Perophora japonica terminal buds
Copyright: Dr John Bishop

Several zooids with cluster of terminal buds.
Copyright: Marine Biological Association of the UK (MBA)

Single zooid and terminal buds at high magnification.
Copyright: Marine Biological Association of the UK (MBA)

Whole colony of Perophora japonica on fucoid alga.
Copyright: Marine Biological Association of the UK (MBA)

Colony of Stolonica socialis
Copyright: Dr Keith Hiscock

Stolonica socialis at Stoke Point.
Copyright: Dr Keith Hiscock

Styela clava attached to rock. Firestone Bay, Plymouth.
Copyright: Dr Keith Hiscock

Diplosoma spp. growing on Styela clava with adjacent Bugula neritoides, an invasive bryozoan.
Copyright: Judith Oakley

Styela clava growing on buoy rope in marina.
Copyright: Judith Oakley

Styela clava specimen from marina pontoon in south Devon.
Copyright: Judith Oakley

Styela clava under boulder on shore.
Copyright: Judith Oakley

Styela clava under intertidal overhang.
Copyright: Judith Oakley

Styela clava with Clavelina lepadiformis growing on a marina pontoon.
Copyright: Judith Oakley

Styela clava with an anemone attached.
Copyright: Judith Oakley

Styela clava.
Copyright: Dr Keith Hiscock

Styela clava.
Copyright: Judith Oakley
Images: 85