Ptilosarcus sea pen

Ptilosarcus sea pen and Virgularia sea pens (background) in soft sediment on Cochrane Bank. Credit: Gulf of the Farallones National Marine Sanctuary.
Ptilosarcus sea pen
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Antipathes dendrochristos with Sebastes rosaceus

Christmas tree coral (Antipathes dendrochristos) with the rockfish, Sebastes rosaceus, at 91 meters depth on Cochrane Bank. Credit: Gulf of the Farallones National Marine Sanctuary.
Antipathes dendrochristos with Sebastes rosaceus
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Staurocalyptus fasciculatus

Staurocalyptus fasciculatus sponge with the rockfish Sebastes flavidus and Sebastes pinniger on Rittenburg Bank. Credit: Gulf of the Farallones National Marine Sanctuary.
Staurocalyptus fasciculatus
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Mycale sponge with Sebastes rosaceus

Sebastes rosaceus resting on Mycale sponge with sea cuccumber and exposed rock on Rittenburg Bank. Credit: Gulf of the Farallones National Marine Sanctuary.
Mycale sponge with Sebastes rosaceus
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Chromoplexaura markii

The octocoral Chromoplexaura markii with a rosy rockfish (Sebastes rosaceus) at 86 meters depth on Rittenburg Bank. Credit: Gulf of the Farallones National Marine Sanctuary.
Chromoplexaura markii
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Anthomastus mushroom coral

Anthomastus mushroom coral with extended polyps (left) and small Paragorgia colony (right) on the Farallon Escarpment. Credit: Gulf of the Farallones National Marine Sanctuary.
Anthomastus mushroom coral
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Poecillastra sponge with Sebastes aurora

Sebastes aurora on Poecillastra sponge in Farallon escarpment 402 meters depth. Credit: Gulf of the Farallones National Marine Sanctuary.
Poecillastra sponge with Sebastes aurora
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Dysidea fragilis sponge and Lingcod

Dysidea fragilis sponge and Lingcod at 98 meters depth on Cochrane Bank. Credit: Gulf of the Farallones National Marine Sanctuary.
Dysidea fragilis sponge and Lingcod
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Metridium anemones and sponges

Sebastes wilsoni and juvenile rockfish over exposed rock with sponges and Metridium anemones on Cochrane Bank. Credit: Gulf of the Farallones National Marine Sanctuary.
Metridium anemones and sponges
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Paragorgia stephencairnsi

Paragorgia stephencairnsi bubblegum coral with Sebastes melanostomus at 424 meters depth on the Farallon Escarpment. Credit: Gulf of the Farallones National Marine Sanctuary.
Paragorgia stephencairnsi
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Iophon piceus and Swiftia sea fan

Iophon piceus sponge, Swiftia sea fan, Sebastes aurora, and Rathbunaster californicus sea star at 432 meters depth on the Farallon Escarpment. Credit: Gulf of the Farallones National Marine Sanctuary.
Iophon piceus and Swiftia sea fan
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Iophon piceus var. pacifica sponge

A large Iophon piceus var. pacifica sponge on a rocky slope at 445 meters on the Farallon Escarpment. Credit: Gulf of the Farallones National Marine Sanctuary
Iophon piceus var. pacifica sponge
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Heterochone calyx sponges with adult yelloweye rockfish

Heterochone calyx and Sebastes ruberrimus at 85 meters depth on Rittenburg Bank. Credit: Gulf of the Farallones National Marine Sanctuary.
Heterochone calyx sponges with adult yelloweye rockfish
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Mycale, Aphrocallistes, Halichondria, and Heterochone sponges.

Juvenile yelloweye rockfish with Aphrocallistes Halichondria panicea, and Heterochone sponges on Rittenburg Bank. Credit: Gulf of the Farallones National Marine Sanctuary.
Mycale, Aphrocallistes, Halichondria, and Heterochone sponges.
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Liponema brevicornis anemone

Liponema brevicornis anemone, Sebastes aurora rockfish, and Rathbunaster californicus sea star on the Farallon Escarpment. Credit: Gulf of the Farallones National Marine Sanctuary.
Liponema brevicornis anemone
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