Medusa stage. Off Coral Street, Balboa Island, Newport Beach, Orange County, CA. 5/17/13. © Peter J. Bryant. Video

Obelia

Obelia species 1
Barcode Index Number ACR4187

Hydrozoa: Campanulariidae

(all specimens except the polyp founder colonies matched by DNA barcoding; not O. geniculata)

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Medusa stage. Upper Newport Bay, Orange County, CA. 9/17/13. © Peter J. Bryant.

Medusa stage. Upper Newport Bay, Orange County, CA. 9/19/13. © Peter J. Bryant.

Medusa stage. Upper Newport Bay, Orange County, CA. 9/19/13. © Peter J. Bryant.

Medusa stage with two gonads. Ocean off Crystal Cove State Park, Orange County, CA. 5/21/13. © Peter J. Bryant. Video

Medusa stage. Balboa Island at Coral Street, Newport Beach, Orange County, CA. 8/11/15. Video. © Peter J. Bryant.

Medusa stage. Ocean off Dana Point, Orange County, CA. 1/07/14. © Peter J. Bryant

Medusa stage. Ocean off Dana Point, Orange County, CA. 5/30/14. © Peter J. Bryant.

Medusa stage. Ocean off Dana Point, Orange County, CA. 1/07/14. © Peter J. Bryant.

Polyp stage with feeding polyps (gastrozooids). Off Coral Street, Balboa Island, Newport Beach, Orange County, CA. 5/09/14. © Peter J. Bryant.


Gastrozooid of polyp stage. Off Coral Street, Balboa Island, Newport Beach, Orange County, CA. 4/23/14. © Peter J. Bryant. Video


Polyp stage with a gonozooid (producing medusae) on the left, a defensive dactylozooid in the center, and a feeding gastrozooid on the right. Off Coral Street, Balboa Island, Newport Beach, Orange County, CA. 5/09/14. © Peter J. Bryant.

Founder colony of the polyp stage (species uncertain). In a plankton collection from the harbor entrance, Newport Beach, Orange County, CA. 11/17/2015. Collected by Tim Arehart, Crystal Cove Alliance. Photo © Peter J. Bryant.

Founder colony of the polyp stage (species uncertain) with one hydranth. In a plankton collection from the harbor entrance, Newport Beach, Orange County, CA. 11/18/2015. Collected by Tim Arehart, Crystal Cove Alliance. Identified by Peter Schuchert. Photo © Peter J. Bryant

One foot from the colony at left. Photo © Peter J. Bryant