• Guides
  • Common Marine Invertebrates of Lake Merritt
Offline access enabled

Common Marine Invertebrates of Lake Merritt

Oakland's Lake Merritt has a surprising diversity of organisms living in the lake itself, almost all of which were involuntarily introduced by humans from all over the world due to oyster farming and international shipping. This guide isn't intended to be comprehensive, so if you see something ...more ↓

Sea Vase 1
Ciona intestinalis
Eastern Oyster Drill 2
Urosalpinx cinerea
California Seahare 3
Aplysia californica
Lottia limatula 3
Hedgpeth's Sapsucker 4
Elysia hedgpethi
Assiminea californica 3
Mouse-eared Snail 5
Myosotella myosotis
Olympia Oyster 6
Ostrea lurida
Japanese / Manilla Littleneck Clam 3
Ruditapes philippinarum
Asian Date Mussel 7
Arcuatula senhousia
Mediterranean Mussel 8
Mytilus galloprovincialis
Atlantic ribbed mussel 9
Geukensia demissa
Shipworm 10
Teredo navalis
Soft-shelled Clam 11
Mya arenaria
Yellow Shore Crab 12
Hemigrapsus oregonensis
Tuberculate Pear Crab 3
Pyromaia tuberculata
Oriental Shrimp 13
Palaemon macrodactylus
Corophiid Amphipods 7
Corophiidae
Melita nitida 14
Transorchestia enigmatica 3
Gribble 3
Limnoria tripunctata
Red-striped barnacle 15
Amphibalanus amphitrite
Amphibalanus improvisus 16
Wrinkled Barnacle 17
Balanus crenatus
Australian Tubeworm 18
Ficopomatus enigmaticus
Cirratulidae 12
Pile Worm 19
Alitta succinea
Fifteen-scaled Worm 7
Harmothoe imbricata
Typosyllis nipponica 3
Orange-Striped Green Sea Anemone 12
Diadumene lineata
Moon Jellyfish 20
Aurelia aurita
Halichondria bowerbanki 21
Cryptosula pallasiana 22

Edited by Ken-ichi Ueda, Damon Tighe, Andrew Cohen, Robin Gwen Agarwal, Adrian Cotter, and ktnoon, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Brent Wilson, some rights reserved (CC BY-NC-SA)
  • 2. (c) Paul Morris, some rights reserved (CC BY-SA)
  • 3. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
  • 4. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
  • 5. (c) Udo Schmidt, some rights reserved (CC BY-SA)
  • 6. (c) Rebecca Johnson, some rights reserved (CC BY-NC), uploaded by Rebecca Johnson
  • 7. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
  • 8. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
  • 9. (c) Casey Dunn, some rights reserved (CC BY-NC-SA)
  • 10. unknown|Author, no known copyright restrictions (public domain)
  • 11. (c) The Wells Reserve at Laudholm, some rights reserved (CC BY-NC-SA)
  • 12. (c) Damon Tighe, some rights reserved (CC BY-NC)
  • 13. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
  • 14. (c) bathyporeia, some rights reserved (CC BY-NC-SA)
  • 15. (c) Auguste Le Roux, some rights reserved (CC BY-SA)
  • 16. (c) User:Butko/Info|location=Donetsk Oblast|topic=crustaceans, some rights reserved (CC BY-SA)
  • 17. (c) WoRMS for SMEBD, some rights reserved (CC BY-NC-SA)
  • 18. (c) Etrusko25, some rights reserved (CC BY-SA)
  • 19. (c) Wikimedia Commons, some rights reserved (CC BY-SA)
  • 20. (c) Brian Honohan, some rights reserved (CC BY-NC-SA)
  • 21. (c) National Museums Northern Ireland and its licensors, some rights reserved (CC BY-NC-SA)
  • 22. (c) licensed media from BioImages DwCA without owner, some rights reserved (CC BY-NC-SA)

Member of the iNaturalist Network   |   Powered by iNaturalist open source software |   Documentation for developers