. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 322 CALIFORNIA FISH AXD GAME California. The urchin lest measured 324 mm (204 mm including spines), and was collected in a rocky, sandy area at a depth of 40 ft. All ached to the urchin was a large barnacle Balanus nubilis Darwin measuring 41 mm basal width (Figure 2).. FiGURE 2. The large barnacle, Balanus nubilis attached to the red sea urchin, Strongylo- cenfrotus franciscanus. Photograph by John Geibel. To our knowledge only two r
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 322 CALIFORNIA FISH AXD GAME California. The urchin lest measured 324 mm (204 mm including spines), and was collected in a rocky, sandy area at a depth of 40 ft. All ached to the urchin was a large barnacle Balanus nubilis Darwin measuring 41 mm basal width (Figure 2).. FiGURE 2. The large barnacle, Balanus nubilis attached to the red sea urchin, Strongylo- cenfrotus franciscanus. Photograph by John Geibel. To our knowledge only two reports of growths on urchins have been published. Strachan (1969) reported Balanus tintinnabulum cali- fornicus Pilsbry living on Lytechinus anam< sit* II. L. Clark. Boolootian (1958) reported the same species of barnacle living on the red sea urchin. Strangylocentrotus franciscanus (Agassiz). The attachment of B. cmu-am* pacificus to S. purpuratus represents Hie first report of any barnacle attaching to 8. purpuratus. It also represents the first report of B. concavus pacificus attaching to any urchin. Strongyloci ntrotus franciscanus has been reported in the litera- ture as harboring the barnacle B. tintinnabulum califomicus. However, the attachment of B. nubilis to S. franciscanus represents the first re- port of B. nubilis attaching to any Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original California. Dept. of Fish and Game; California. Fish and Game Commission; California. Division of Fish and Game. [San Francisco, etc. ] State of California, Resources Agency, Dept. of Fish and Game
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