Cnidaria of Orange County, California
and nearby places

(Click on images or names to open)

Exotic species: Yellow background

Compiled by Peter J. Bryant (pjbryant@uci.edu
Department of Developmental and Cell Biology, University of California, Irvine, CA 92697

Class Hydrozoa
Order Anthothecata
Bougainvilliidae. "Bougainvillia: four dichotomously-branching oral tentacles and four marginal bulbs each bearing two or more tentacles all of the same kind. The hydroid stock is athecate, the hydranths have a conical proboscis and a single whorl of filiform tentacles; the medusa buds are borne below the hydranths, on their pedicels or on the stems (Vannucci and Rees, 1960)"

Medusa with two unbranched tentacles.
Barcode Index Number ACR4255

Medusa with two unbranched tentacles.
Barcode Index Number ACW2490

Medusa with two unbranched tentacles.
Barcode Index Number ACR4184

Bougainvillia sp. - Medusa with four unbranched tentacles.
Barcode Index Number ACR4341

Bougainvillia sp. - Medusa with four unbranched tentacles.
Barcode Index Number ACR4343

Hydroid.
Barcode Index Number ACR4255
 
Hydroid.
Barcode Index Number ACR4184
 
Hydroid.
Barcode Index Number ACR4343
 


Bougainvillia muscus (Medusa with four pairs of tentacles).
Barcode Index Number ACO837
5


Medusa with four pairs of tentacles.
Barcode Index Number ACR4338

Bougainvillia sp. with four triplets of tentacles.
Barcode Index Number ACR4342

Bougainvillia sp. with four triplets of tentacles.
Barcode Index Number ACR4339


Medusa.
Barcode Index Number ACW4756
   

Hydroid.
Barcode Index Number ACR4339
 
 

Garveia annulata (no medusa phase)
       
Cladonematidae Cordylophoridae Corymorphidae

Cladonema (californicum?)
Barcode Index Number ACR4340
 
Corymorpha bigelowi.
Barcode Index Number ACH5002

Corymorpha sp.
Barcode Index Number ACR4296


Euphysa sp.
Barcode Index Number AAY7997

 
Freshwater Hydroid, Cordylophora sp. Barcode Index Number AAR9094
 
Corymorpha sp.
Barcode Index Number ACR4296
 
Corynidae Eudendriidae Hydridae
No medusa phase
Medusa, Corynidae.
Barcode Index Number ACR4295
No medusa phase No medusa phase

Club Polyp, Coryne uchidai
Barcode Index Number ACR4087

Club Polyp, Corynidae.
Barcode Index Number ACR4295

Eudendrium sp.?

Green Hydra, Hydra viridissima

Brown Hydra, Hydra vulgaris
Barcode Index Number AAG7362
Oceanidae    

Colonial hydroid,
Turritopsis dohrnii

Turritopsis?
Barcode Index Number ACW4293

Turritopsis nutricula
BOLD Index Number ACI0369
   
 
Turritopsis?
Barcode Index Number ACW4293
     
Polyorchidae Porpitidae Tubulariidae (No medusa phase)  

Giant Bell Jelly,
Scrippsia pacifica

By-the wind Sailor,
Velella velella
Barcode Index Number ACR4084

Pink-hearted Hydroid,
Ectopleura crocea
Barcode Index Number ACH9225
   
Order Leptothecata
Aequoreidae  Campanulariidae

Crystal Jelly,
Aequorea victoria

Clytia elsaeoswaldae
Barcode Index Number ACR4294


Clytia gracilis
Barcode Index Number AAD5401


Clytia sp.
Barcode Index Number AAR9451
 
     
Clytia sp.
Barcode Index Number AAR9451
 
Campanulariidae (cont.) Eirenidae

Obelia dichotoma
Barcode Index Number AAX5515

Obelia species 1
Barcode Index Number ACR4187

Obelia species 2
Barcode Index Number ACO3910



Umbrella Jelly,
Eutonina indicans
 
Obelia species 1
Barcode Index Number ACR4187
     
Haleciidae Lovenellidae Plumularidae Sertulariidae  

Halecium sp.

Eucheilota bakeri
Barcode Index Number ACR4560

Glassy Plume Hydroid,
Plumularia setacea

Sertularia distans
 
Order Siphonophorae
Diphyidae Physonectae  

Chelophyes appendiculata


Diphyes dispar?

Agalma elegans (Athorybia larva)

Nanomia sp. (larva)

Barcode Index Number ACL8638

Unidentified Siphonophore
Subclass Trachylinae
Order Narcomedusae   Order Trachymedusae    
Solmarisidae Geryoniidae    

Unidentified Narcomedusa

Unidentified Solmarisid

Liriope tetraphylla
Barcode Index Number ACH9275
   
Class Anthozoa
Actiniidae

Moonglow Anemone,
Anthopleura artemisia?

Aggregating Anemone,
Anthopleura elegantissima

Solitary Green Anemone,
Anthopleura sola

Giant Green Anemone,
Anthopleura xanthogrammica

Brooding Sea Anemone,
Epiactis prolifera

Actinostolidae

Arachnactidae Cerianthidae Gorgoniidae  

Onion anemone,
Paranthus rapiformis (larva)

Tube-dwelling anemone, Isarachnanthus nocturnus (Cerinula larva)

Tube Anemone,
Pachycerianthus fimbriata

Red gorgonian,
Lophogorgia chilensis

Brown Gorgonian,
Muricea fructicosa

Haliplanellidae

Virgulariidae Zoanthidae    

Striped Anemone,
Haliplanella Luciae

Sea Pen,
Stylatula sp.

Zoanthus sp.
   
Class Scyphozoa      
Pelagiidae
Ulmaridae    
Black Sea Nettle (Black Jellyfish), Chrysaora achlyos
West Coast Sea Nettle,
Chrysaora fuscescens

Moon Jelly,
Aurelia aurita