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Aeby, Greta S.
- Coral-Killing Sponge Terpios hoshinota Invades the Corals of Gulf of Mannar, Southeast India
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Authors
Affiliations
1 Suganthi Devadason Marine Research Institute, Tuticorin 628 003, IN
2 University of Hawaii, Honolulu, Hawaii, US
1 Suganthi Devadason Marine Research Institute, Tuticorin 628 003, IN
2 University of Hawaii, Honolulu, Hawaii, US
Source
Current Science, Vol 114, No 05 (2018), Pagination: 1117-1119Abstract
Terpios hoshinota is an encrusting cyanobacteriosponge which grows aggressively over live coral colonies and has been reported to undergo outbreaks which kill corals. In an underwater survey conducted on the reefs of Gulf of Mannar, an outbreak of this coral-invading sponge was witnessed for the first time. It was found invading approximately 5% of the Montipora divaricata colonies (n = 383) at 1 m depth in Vaan Island. The affected site had a high coral cover (85.13%) dominated by montiporids (79.97%). T. hoshinota was confirmed via underwater morphology and microscopic observation of distinctive lobed tylostylespicules. This sponge is reported to have caused significant damage to many reefs around the world and hence immediate steps are needed to protect the reefs of Gulf of Mannar. Further studies are needed to assess the extent of T. hoshinota invasion in Gulf of Mannar and progression rate over live coral colonies.Keywords
Coral Reefs, Invasion, Montipora divaricata, Sponge, Terpios hoshinota.Full Text
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