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Growth and reproduction of the Japanese mantis shrimp, Oratosquilla oratoria (De Haan 1844) in the coastal area of Tongyeong, Korea

Growth and reproduction of the Japanese mantis shrimp, Oratosquilla oratoria (De Haan 1844) in the coastal area of Tongyeong, Korea
Growth and reproduction of the Japanese mantis shrimp, Oratosquilla oratoria (De Haan 1844) in the coastal area of Tongyeong, Korea
Growth and reproduction of the Japanese mantis shrimp, Oratosquilla oratoria, were investigated in the Tongyeong, Korea from July 2014 to August 2015. A total of 2,621 samples (1,380 females and 1,241 males) were collected during the study period. Females were observed more frequently than males. The mean body length (BL) was 128.5 ± 0.38 mm in females and 126.9 ± 0.42 mm in males. The mean body weight (BW) was 31.2 ± 0.28 g in females and 31.1 ± 0.32 g in males. There was a significant difference in the length-frequency distribution between females and males. The relationship between BL and BW was lnBW = 2.85 × lnBL - 10.43 for females and lnBW = 2.87 × lnBL -10.52 for males. The gonadosomatic index (GSI) varied on a monthly basis. The GSI reached a maximum in May and a minimum in November. The highest values of the GSI coincided with the spawning period of O. oratoria. Larger individuals of O. oratoria have their spawning season earlier than smaller ones. The size at sexual maturity of females was estimated as 96.5 mm. The Von Bertalanffy growth function parameters were BL∞ = 184.5 mm, K = 0.72 year−1, C = 0.36 and WP = 0.45 for females and BL∞ = 183.75 mm, K = 0.82 year−1, C = 0.38 and WP = 0.22 for males. The growth of males was slightly faster than females. The present study will help with the fisheries management of O. oratoria based on ecological parameters.
1738-5261
257-265
Kim, Seongeun
58a7b85d-5d3b-45c7-9881-5cdda62deaaa
Kim, Hanju
95764e2f-8aab-445a-8dab-3b8870743159
Bae, Hojin
01fc109a-b630-40ca-978c-f3344dc8af84
Kim, Hyeong-gi
d076978e-b593-4740-8708-62ea0e4dbc81
Oh, Chul-woong
7869e618-c5b8-4da6-b74f-59d48133156c
Kim, Seongeun
58a7b85d-5d3b-45c7-9881-5cdda62deaaa
Kim, Hanju
95764e2f-8aab-445a-8dab-3b8870743159
Bae, Hojin
01fc109a-b630-40ca-978c-f3344dc8af84
Kim, Hyeong-gi
d076978e-b593-4740-8708-62ea0e4dbc81
Oh, Chul-woong
7869e618-c5b8-4da6-b74f-59d48133156c

Kim, Seongeun, Kim, Hanju, Bae, Hojin, Kim, Hyeong-gi and Oh, Chul-woong (2017) Growth and reproduction of the Japanese mantis shrimp, Oratosquilla oratoria (De Haan 1844) in the coastal area of Tongyeong, Korea. Ocean Science Journal, 52 (2), 257-265. (doi:10.1007/s12601-017-0027-2).

Record type: Article

Abstract

Growth and reproduction of the Japanese mantis shrimp, Oratosquilla oratoria, were investigated in the Tongyeong, Korea from July 2014 to August 2015. A total of 2,621 samples (1,380 females and 1,241 males) were collected during the study period. Females were observed more frequently than males. The mean body length (BL) was 128.5 ± 0.38 mm in females and 126.9 ± 0.42 mm in males. The mean body weight (BW) was 31.2 ± 0.28 g in females and 31.1 ± 0.32 g in males. There was a significant difference in the length-frequency distribution between females and males. The relationship between BL and BW was lnBW = 2.85 × lnBL - 10.43 for females and lnBW = 2.87 × lnBL -10.52 for males. The gonadosomatic index (GSI) varied on a monthly basis. The GSI reached a maximum in May and a minimum in November. The highest values of the GSI coincided with the spawning period of O. oratoria. Larger individuals of O. oratoria have their spawning season earlier than smaller ones. The size at sexual maturity of females was estimated as 96.5 mm. The Von Bertalanffy growth function parameters were BL∞ = 184.5 mm, K = 0.72 year−1, C = 0.36 and WP = 0.45 for females and BL∞ = 183.75 mm, K = 0.82 year−1, C = 0.38 and WP = 0.22 for males. The growth of males was slightly faster than females. The present study will help with the fisheries management of O. oratoria based on ecological parameters.

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Accepted/In Press date: 31 January 2017
e-pub ahead of print date: 19 May 2017
Published date: June 2017

Identifiers

Local EPrints ID: 412554
URI: http://eprints.soton.ac.uk/id/eprint/412554
ISSN: 1738-5261
PURE UUID: f0854397-5561-4be6-a9d6-02572bd7d200

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Date deposited: 20 Jul 2017 16:31
Last modified: 26 Apr 2022 20:05

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Contributors

Author: Seongeun Kim
Author: Hanju Kim
Author: Hojin Bae
Author: Hyeong-gi Kim
Author: Chul-woong Oh

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