Title
Preliminary study of wedgefish (Rhynchobatus sp) and giant guitarfish (Glaucostegus sp) in Java sea od Central Java
Author(s)
Yuwandana, Dwi Putra;Agustina, Susan;Haqqi, Mahyuddin Bahi;Simeon, Benaya Meitsari
Published
2020
Publisher
Jurnal Akuatika Indonesia
Abstract
Wedgefish and giant guitarfish are one of the fisheries commodities in Indonesia. Moreover, these groups are listed on the IUCN red list as critically endangered species because their population continues to decline and habitat loss threatens its population. Both of these groups are listed into CITES appendix II, which is mean the trade between countries should be managed. Information regarding its fisheries still lack, hence it would be necessary to study these fisheries for the basis of future management. This study aims to understand fisheries condition of wedgefish and giant guitarfish in Central Java. Data was collected in May-July 2019 at Tegalsari Coastal Fishing Port (PPP), Bajomulyo Coastal Fishing Port and Tasik Agung Coastal Fishing Port. The data collection methods were scoping and landing monitoring. We conducted species identification and analyzed average catch per trip (CPUE). We found 202 trips landing wedgefish and giant guitarfish from three landings spot. Both group were by-catch of the cantrang fishing boats with a size of 10- 150 GT. The analysis showed that there were 6 species of wedgefish and giant guitarfish landed and the average catch of wedgefish and giant guitarfish of PPP Tegalsari was 10.3 fish/trip, PPP Bajomulyo was 9.13 fish/trip and PPP Tasikagung was 3.56 fish/trip which means this type of rays is quite intensively caught by the cantrang fishing boats.
Keywords
CITES;IUCN;Wedgefish;Giant Guitarfish;Pantura

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