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Title: Some Rare and Endemic Elasmobranchs of Indonesia and Their Conservation Status
Authors: FAHMI
DHARMADI
Keywords: Elasmobranch
endemic
conservation status
Issue Date: Mar-2013
Publisher: Kyoto University Design School
Journal title: PROCEEDINGS of the Design Symposium on Conservation of Ecosystem (2013) (The 12th SEASTAR2000 workshop)
Start page: 87
End page: 97
Abstract: Indonesia has a very high diversity of sharks and rays that can be found in freshwater and all the way into the deep sea. Some elasmobranchs are considered as endemic species which occur in restricted areas. Comprehensive studies and reviews on the diversity of elasmobranchs in Indonesia have been conducted since 2001 and have resulted in many findings, both of new species and new records. At least 25 species of sharks and rays are known to exist in restricted areas throughout Indonesia. The majority of them are coastal species, the rest are made up of freshwater and deepwater species. Information on the occurrence, distribution and conservation status of some rare and endemic elasmobranchs is provided in this paper. The Bali catshark (Atelomycterus baliensis), spear tooth shark (Glyphis sp.), the giant freshwater ray (Himantura polylepis) and the freshwater ray (Himantura signifer) are just some examples of coastal and freshwater elasmobranchs that are vulnerable to extinction in nature due to anthropogenic and uncontrolled fishing activities. However, there is as yet no management action from the government seeking to protect and conserve these endemic species, mainly due to limited existing data on their biology, ecology and populations.
Description: February 20-21, 2012, BANGKOK, THAILAND
DOI: 10.14989/176184
URI: http://hdl.handle.net/2433/176184
Appears in Collections:PROCEEDINGS of the Design Symposium on Conservation of Ecosystem (The 12th SEASTAR2000 workshop)

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