Cat Rock, Anacapa Island

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Cat Rock, Anacapa Island

Cat Rock, Anacapa Island is located offshore on the south side of West Anacapa. The 81-foot peak of the rock was used as a survey point in 1933 by C. K. Greene who did not mark the point. Today it is a popular dive spot.

Cat Rock was a favorite place for oologists to collect eggs. Xantus Murrelet (Brachyramphus hypoleucus) egg sets at the Western Foundation of Vertebrate Zoology [WFVZ] include:

  • May 15, 1910 collected H. Bay Webster for Homer C. Burt
  • May 12, 1912 by Sidney Peyton for Homer C. Burt
  • May 25, 1912 by Donald R. Dickey
  • June 11, 1915 by Sidney B. Peyton
  • May 26, 1917 by Martin C. Badger
  • May 14, 1927 by Frank Harpold

American Black Oystercatcher (Haematopus bachmani) eggs collected on Cat Rock at WFVZ:

  • June 11, 1915 by Sidney B. Peyton
  • May 19, 1929 by J. R. Pemberton


ISLAND COLLECTOR INSTITUTION DATE NUMBER SPECIMEN
Anacapa Island (Cat Rock) H. B. Webster WFVZ May 15, 1910 WFVZ-80896 Brachyramphus hypoleucus Eggs
Anacapa Island (Cat Rock) H. C. Burt WFVZ May 15, 1911 WFVZ-80897 Brachyramphus hypoleucus Eggs
Anacapa Island (Cat Rock) S. B. Peyton WFVZ May 12, 1912 WFVZ-113533 Brachyramphus hypoleucus Eggs
Anacapa Island (Cat Rock) D. R. Dickey WFVZ May 25, 1913 WFVZ-11327 Brachyramphus hypoleucus Eggs
Anacapa Island (Cat Rock) D. R. Dickey YPM May 25, 1913 YPM-145996 Synthilboramphus scripsii Birds
Anacapa Island (Cat Rock) S. B. Peyton WFVZ June 11, 1915 WFVZ-80895 Brachyramphus hypoleucus Eggs
Anacapa Island (Cat Rock) S. B. Peyton WFVZ June 11, 1915 WFVZ-81951 Haematopus bachmani Eggs
Anacapa Island (Cat Rock) M. C. Badger WFVZ May 26, 1917 WFVZ-46438 Brachyramphus hypoleucus Eggs
Anacapa Island (Cat Rock) Frank Harpold WFVZ May 14, 1927 WFVZ-192146 Brachyramphus hypoleucus Eggs
Anacapa Island (Cat Rock) Frank Harpold WFVZ May 14, 1927 WFVZ-992440 Brachyramphus hypoleucus scrippsi Eggs
Anacapa Island (Cat Rock) M. C. Badger WFVZ May 20, 1927 WFVZ-76890 Haematopus bachmani Eggs
Anacapa Island (Cat Rock) J. R. Pemberton WFVZ May 19, 1929 WFVZ-2543 Haematopus bachmani Eggs


Feral cats once preyed on nesting sea birds, presumably resulting in the name, Cat Rock. It is accessible at low tide.

Cat Rock is one of several sites at Anacapa where giant black sea bass are often seen. They were reduced to near extinction from over fishing and incidental catch in gill nets, which are now illegal within a mile of the shore.



In the News~

October 4, 1974 [LAT]: “Equipment of two experienced divers who died in unrelated accidents off Anacapa Island was examined for possible malfunctions. One victim was Air Force Captain Frank Dugan, 34, of Edwards Air Force Base who had been scuba diving for seven years and was an instructor. He was found floating by others with whom he had chartered a boat for lobster diving. In the same general area, Mark Inouye, 23, of Gardena, a veteran commercial diver, was found dead on the bottom in 35 feet of water at Anacapa’s Cat Rock where he and other divers of the vessel Joini-Air were gathering sea urchins.”