Daily Archives: Thursday,March 15, 2012

Arctonoe pulchra

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rmscaleworm011-11-18 at 5.00.26 PM

Photo by ryan Murphy

 

rmscaleworm2012-03-26 at 11.39.25 AM

Ryan Murphy took these images of this scale worm in a commensal relationship with sea star.

This set of images taken by Ryan Murphy shows one of the more delicate of the Polynoidae, or scale worms. Divers  often find scale worms on the underside of Sea stars and sea cucumbers at Race Rocks. This has not been positively identified but it could be one of the two of three species in the Genus Hololepida. 

The following classification is based on that of the Animal Diversity Web:

Kingdom Animalia
 Phylum Annelida
Class Polychaeta
Order Aciculata
Family  Polynoidae
Genus Hololepida
There are two possible species :
Species: australis
or Species : veleronis
Return to the Race Rocks Taxonomy Index
The Taxonomy files are the result of collaboration between students, faculty, staff and Volunteers of Lester Pearson College— Garry Fletcher,

Phalaropus fulicarius:red phalarope–The Race Rocks Taxonomy

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This is the first image taken of this species at Race Rocks  March 2012

 

 

I was on the docks at Race Rocks when I saw this small phalarope which I thought was the red-necked version. A viewer pointed out that it had a grey back and a thick bill. Therefore it is the “Red” phalarope, Phalaropus fulicarius. It turns out that all the others we have seen in that same area by the docks in the past have been the red phalarope,  Phalaropus lobatus  which have a brown marked back  This is their winter non-breeding plumage so none of the colourful plumage of the breeding season shows up.  (Garry Fletcher)

Domain Eukarya
Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Class Aves
Order Charadriiformes
Family Scolopacidae
Genus Phalaropus
Species fulicarius Linnaeus 1758
Common Name: Red Phalarope
Garry Fletcher