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Title: The sharks and rays at Singapore's fishery ports
Authors: Clark-Shen, N
Xu Tingting, K
Rao, M
Cosentino-Roush, S
Sandrasegeren, R
Gajanur, AR 
Chapman, DD
Lee Xin Ying, E
Flowers, KI
Feldheim, KA
Manjaji-Matsumoto, BM
Ng Zheng Hui, S
Issue Date: 1-Mar-2021
Publisher: Elsevier BV
Citation: Clark-Shen, N, Xu Tingting, K, Rao, M, Cosentino-Roush, S, Sandrasegeren, R, Gajanur, AR, Chapman, DD, Lee Xin Ying, E, Flowers, KI, Feldheim, KA, Manjaji-Matsumoto, BM, Ng Zheng Hui, S (2021-03-01). The sharks and rays at Singapore's fishery ports. Fisheries Research 235 : 105805-105805. ScholarBank@NUS Repository.
Abstract: The status of elasmobranchs in Southeast Asia has been highlighted as a serious concern, yet there are limited data to assess stocks and develop appropriate management plans. Surveys of elasmobranchs at two fishery ports in Singapore were conducted between 2017 and 2020. These fishery ports receive fresh, whole imports of seafood from the region as well as seafood caught in Singapore waters. Data were collected on 13,817 rays, 2,480 sharks, and 1,297 wedgefishes and giant guitarfishes over 102 surveys. The majority of elasmobranchs were imported from Indonesia or Malaysia, and only a few individuals (six sharks and 278 rays) were reportedly caught within Singapore waters. In Singapore, elasmobranchs are predominantly used for their meat, and wedgefish snouts are also commonly used in collagen soup. The data collected highlights potential conservation concerns, particularly surrounding the large volumes of Maculabatis gerrardi and Maculabatis macrura rays (categorized as Vulnerable and Not Assessed by the IUCN) that are imported, and the high proportions of immature individuals of Carcharhinus sorrah and Carcharhinus sealei sharks. During this study, a single Rhynchobatus cooki was discovered – the first reported sighting in over 20 years.
Source Title: Fisheries Research
ISSN: 1657836
DOI: 10.1016/j.fishres.2020.105805
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