Pacific Northwest Invertebrates

Below is the list of invertebrate species that are monitored as part of the REEF Invertebrate Monitoring Program, a companion to REEF Fish Survey Project in the Pacific Northwest.

Presence/Absence

  • Strawberry Anemone Corynactis californica
  • Orange Social Ascidian Metandrocarpa sp.(M. taylori, M. dura)
  • Fringed Tube Worm Dodecaceria fewkesi

Count Data: Single (1), Few (2-10), Many (11-100), Abundant (>100)

  • Chimney Sponge Rhabdocalyptus dawsoni and Staurocalyptus dowlingi
  • Cloud/Goblet Sponge Aphrocallistes vastus and Chonelasma calyx
  • Candy Stripe Shrimp Lebbeus grandimanus
  • Coonstripe Shrimp Pandalus danae
  • Dungeness Crab Cancer magister
  • Giant Barnacle Balanus nubilus
  • Northern Kelp Crab Pugettia producta
  • Red Rock Crab Cancer productus
  • Spot Prawn Pandalus platyceros
  • Lacy Bryozoan Phidolorpora labiata (formerly P. pacifica)
  • Fish-eating Anemone Urticina piscivora, (formerly in genus Tealia)
  • Plumose Anemone Metridium senile and Metridium giganteum
  • Tube-dwelling Anemone Pachycerianthus fimbriatus
  • White-spotted Anemone Urticina lofotensis (formerly in genus Tealia)
  • Moon Jelly Aurelia aurita and Aurelia labiata
  • Sea Blubber Cyanea capillata
  • Orange Cup Coral Balanophyllia elegans
  • Pink Hydrocoral Stylaster sp. (S. verrilli and S. venusta)
  • Orange Sea Pen Ptilosarcus gurneyi
  • California Sea Cucumber Parastichopus californicus
  • Orange Sea Cucumber Cucumaria miniata
  • Leather Star Dermasterias imbricata
  • Spiny Pink Star Pisaster brevispinus
  • Sunflower Star Pycnopodia helianthoides
  • Green Sea Urchin Strongylocentrotus droebachiensis
  • Red Sea Urchin Strongylocentrotus franciscanus
  • Eccentric Sand Dollar Dendraster excentricus
  • Giant Nudibranch Dendronotus iris
  • Opalescent Nudibranch Hermissenda crassicornis
  • White-lined Dirona Dirona albolineata
  • Yellow Margin Dorid Cadlina luteomarginata
  • Giant Pacific Octopus Octopus dofleini
  • Leafy Hornmouth Ceratastoma foliatum
  • Lewis's Moonsnail Euspira lewisii, (Formerly Polinices lewisii)
  • Oregon Triton Fusitriton oregonensis
  • Gumboot Chiton Cryptochiton stelleri
  • Northern Abalone Haliotis kamtschatkana
  • Rock Scallop Crassadoma gigantea (formerly Hinnites gigsanteus)
  • Feather Duster Worm Eudistylia vancouveri
  • Shiny Orange Sea Squirt Cnemidocarpa finmarkiensis

Non-Native Tunicates:

  • Club Tunicate Styela clava
  • Transparent Ciona Tunicate Ciona savignyi
  • Invasive Didemnum Didemnum sp.
  • For more information on the invasive tunicates, visit the PNW Scuba Invasives webpage.

Design by Joanne Kidd, development by Ben Weintraub