Growth and exploitation rate of Dwarf Whipray (Brevitrygon heterura) landed from Tanjung Beringin, Serdang Bedagai Regency, North Sumatera Province

VR Manurung, M Nababan, SFP Nasution… - … Series: Earth and …, 2022 - iopscience.iop.org
VR Manurung, M Nababan, SFP Nasution, JS Hasibuan, H Husaini
IOP Conference Series: Earth and Environmental Science, 2022iopscience.iop.org
Stingrays are a group of fish that have high economic potential landed at TPI Tanjung
Beringin. The dominant type of stingray landed at TPI Tanjung Beringin is the Dwarf Whipray
(Brevitrygon heterura) or commonly called Tuka-Tuka by the local community. This research
wa carried out during July and September of 2021 at TPI Tanjung Beringin, survey method
with a census technique, namely a method by seeking various information and various facts
regarding the biological aspects. This study aims to determine the growth and exploitation …
Abstract
Stingrays are a group of fish that have high economic potential landed at TPI Tanjung Beringin. The dominant type of stingray landed at TPI Tanjung Beringin is the Dwarf Whipray (Brevitrygon heterura) or commonly called Tuka-Tuka by the local community. This research wa carried out during July and September of 2021 at TPI Tanjung Beringin, survey method with a census technique, namely a method by seeking various information and various facts regarding the biological aspects. This study aims to determine the growth and exploitation rate of the dwarf whipray. There were 82 dwarf whipray, which were then measured for length and weight. The results of the study concluded that dwarf whipray (Brevitrygon heterura) which landed in TPI Tanjung Beringin had a negative allometric growth pattern, namely length growth was greater than weight growth. The exploitation status of the dwarf whipray (Brevitrygon heterura) in the waters of the Malacca Strait is classified as overfishing.
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