Tumors on corals
p_houk at hotmail.com
Mon May 21 00:17:40 EDT 2001
During recent inner lagoon surveys completed in Saipan Lagoon, CNMI,
my colleague and I have observed and photographed what appeared to be a
coral tumor on a Astreopora myriophthalma colony. I have this location in
my GPS unit and if desired I can collect a sample or the colony.
Interesting topic, I look forward to reviewing the web site listed.
CNMI Division of Environmental Quality
Saipan, MP. 96950
>Dear Ruby, Simon, and others
>In addition to the tumors found by Steve Coles in Oman, several examples of
>other types of skeletal abnormalities have been observed. They can be
>divided into hyperplasms and neoplasms (cancerous tumors).
>We have a section on skeletal abnormalities on The Coral Disease Page at:
>The following paper reviewed the literature and documented the kinds of
>tumors recognized through the mid-1980s:
>Peters, E.C., J.C. Halas, and H.B. McCarty. 1986. Calicoblastic neoplasms
>in Acropora palmata with a review of reports of anomalies of growth and
>form in corals. J. Nat. Cancer Inst. 76(5):895-912.
>Coles and colleagues investigated UV-radiation as a possible causal agent
>of acroporid tumors in:
>Coles, S.L., and D.G. Seapy. 1998. Ultra-violet absorbing compounds and
>tumorous growths on acroporid corals from Bandar Khayran, Gulf of Oman,
>Indian Ocean. Coral Reefs 17:195-198.
>More recently, calicoblastic epitheliomas have been found in Montipora:
>Yamashiro, H., M. Yamamoto, and R. van Woesik. 2000. Tumor formation on
>the coral Montipora informis. Dis. Aquat. Org. 41:211-217.
>Hyperplasms in several species of corals are currently being investigated
>by researchers on reefs of the eastern Pacific, Hawaii, Red Sea, and other
>areas. This condition is characterized by more rapid skeletal deposition
>and tissue hypertrophy compared to surrounding polyps and might be what
>Ruby has found. More detailed description of these and the tumorous
>growths Simon has seen are needed.
>Examples of both kinds of coral tumors and tissue sections, as well as
>reprints of pertinent papers, are archived at the Registry of Tumors in
>Lower Animals (RTLA), Department of Pathology, George Washington University
>Medical Center, Washington, DC. The RTLA is interested in documenting
>additional reports of these lesions (contact: John Harshbarger, Director,
>e-mail: patjch at gwumc.edu; or Esther Peters).
>Hope this helps!
>Chip McCarty and Esther Peters
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