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

Kim, Seong Eun; Kim, Hanju; Bae, HoJin; Kim, Hyeong-Gi; Oh, Chul‐Woong

doi:10.1007/s12601-017-0027-2

Cited by 11 publications

(9 citation statements)

References 25 publications

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“…On the other hand, the harvest of Oratosquillina sp. shrimps comprised significantly more females than males (Table 1); this is in line with the finding in a study by Kim et al (2017) on O. oratoria in the coastal area of Tangyeong in Korea where most of the mantis shrimps caught were females.…”

Section: Discussionsupporting

confidence: 90%

“…Differences in the abundance of male and female mantis shrimp are influenced by seasons. This inference is supported by results of the study by Yan et al (2015) on H. harpax in the Beibu Gulf of the South China Sea and by Kim et al (2017) on O. oratoria in the coastal region of Tangyeong Korea. In those two pieces of research, male mantis shrimp were more common in the summer, while there were mostly female mantis shrimp in the winter.…”

Section: Discussionsupporting

confidence: 55%

“…>10 cm in length). This change in size presumably reflected changes in response to the spawning periods of Mantis shrimps (Kim et al 2017).…”

Section: Discussionmentioning

confidence: 98%

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Population dynamics of mantis shrimp Harpiosquilla harpax and Oratosquillina sp. in the waters south of Madura Island, Indonesia

2020

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Abstract. Ekalaturrahmah YAC, Zairon, Wardiatno Y. 2020. Population dynamics of mantis shrimp Harpiosquilla harpax and Oratosquillina sp. in the waters south of Madura Island, Indonesia. Biodiversitas 21: 1458-1466. Mantis shrimps are a potential fishery resource in Indonesia, but information about their population dynamics in the southern waters of Madura is limited. This study aimed to determine the population structure, growth, life span, and rate of exploitation for two taxa of mantis shrimp (Harpiosquilla harpax and Oratosquillina sp.). The research was conducted from September 2018 to February 2019 in the southern waters of Madura. The results showed that for H. harpax the majority of males caught ranged in length between 132.50 and 139.37 mm while the majority of females were between 153.45 and 160.22 mm. For Oratosquillina sp., the majority of males caught ranged from 84.70 and 89.60 mm while the majority of females were between 89.85 and 95.30 mm. The Growth Coefficient (K) for H. harpax was estimated to be 0.65 per year for males and 0.60 per year for females; while for Oratosquillina sp. the estimates were 0.81 and 0.78 per year, respectively. The L∞ value for H. harpax males was 183.00 mm and for females 250.55 mm, while the L∞ values for Oratosquillina sp. were 112.64 mm for males and 137.02 for females. The life span of H. harpax was estimated at 5 years, while for Oratosquillina sp. it was 4 years. The exploitation rate (E) for H. harpax males and females was 0.65 and 0.67 respectively, while for Oratosquillina sp. it was 0.54 and 0.58. These estimations indicated overexploitation of the resource, particularly in the case of H. harpax.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionsupporting

confidence: 55%

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Population dynamics of mantis shrimp Harpiosquilla harpax and Oratosquillina sp. in the waters south of Madura Island, Indonesia

2020

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“…Keterangan: m = Log panjang udang saat pertama kali matang gonad; Xk = Log nilai tengah kelas panjang pada saat 100% pertama kali matang gonad; X = Selisih Log pertambahan panjang pada nilai tengah; pi = Proporsi udang matang gonad pada kelas panjang ke-i (ri/ni); ri = Jumlah matang gonad pada kelas ke-i; ni = Jumlah udang pada kelas panjang ke-i; qi = 1-pi; m = antilog m dari panjang udang pertama kali matang gonad (rata-rata ukuran panjang udang pada waktu mencapai kematangan gonad pertama kali) Dimenta et al (2020) salah satu habitat udang mantis dalam siklus hidupnya, dimana kawasan ini merupakan lokasi pertumbuhan dan perkembangan anakan udang hingga dewasa sebelum kembali ke laut. Oleh sebab itu, udang mantis kategori TKG I yang tertangkap selama penelitian kemungkinan merupakan udang dewasa siap kawin yang sedang berusaha untuk bergerak menuju perairan laut yang memiliki salinitas lebih tinggi (Kim et al, 2017).…”

Section: Gambar 1 Morfologi Udang Mantis Cloridopsis Scorpiounclassified

Biologi reproduksi udang mantis Cloridopsis scorpio di ekosistem mangrove Belawan, Sumatera Utara

Dimenta

Machrizal

Khairul

et al. 2020

Depik

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Anthropogenic activities that tend to be exploitative in the mangrove ecosystem of Belawan are thought to have an impact on the biota associated with the ecosystem. One of the impacts is thought to be implied by mantis shrimp Cloridopsis scorpio (Latreile, 1828). The reproductive biology of the shrimp is the main object that needs to be studied in relation to the impacts. This study aims to determine the distribution of gonad maturity stage, gonad somatic index, and the length of the first mature of C. scorpio in the Mangrove Ecosystem of Belawan, North Sumatera. The research was conducted on March to May 2019 with a biweekly sampling period. The purposive random sampling was applied to choose three sampling stations in the research location. Mantis shrimp samples were caught using shrimp trawl. The result showed that the gonad maturity stage of males and females were dominated by Stage I. The gonad somatic index (GSI) range of males were 7.00-10.93 and female were 7.40-11.15. The GSI value of C. scorpio is closely related to its gonad maturity development. The length of the first mature (L50) of males were 205.50±10.65 mmBL and females were 186.0±10.48 mmBL.Keywords: Cloridopsis scorpio, Gonad maturity stage, Gonad somatic indeks, Length of the first mature ABSTRAKAktivitas antropogenik yang cenderung eksploitatif di kawasan ekosistem mangrove Belawan diduga telah berdampak terhadap biota-biota yang berasosiasi dengan ekosistem tersebut. Salah satu dampaknya dialami oleh udang mantis Cloridopsis scorpio (Latreile, 1828). Aspek reproduksi C. scorpio menjadi salah satu objek yang perlu dikaji berkaitan dengan dampak tersebut. Penelitian ini bertujuan untuk menganalisis sebaran tingkat kematangan gonad (TKG), indeks kematangan gonad (IKG), dan ukuran pertama kali matang gonad (L50) dari C. scorpio di ekosistem mangrove Belawan, Sumatera Utara. Penelitian dilakukan pada bulan Maret sampai Mei 2019 dengan periode pengambilan sampel dua mingguan. Metode purposive random sampling digunakan untuk menentukan tiga stasiun pengambilan sampel di lokasi penelitian. Sampel C. scorpio ditangkap menggunakan pukat udang. Hasil penelitian menunjukkan distribusi TKG C. scorpio jantan dan betina didominasi oleh TKG I. Nilai IKG C. scorpio jantan berkisar antara 7,00-10,93 dan C. scorpio betina berkisar antara 7,40-11,15. Nilai IKG C. scorpio berkaitan dengan tahap perkembangan gonadnya. C. scorpio jantan mengalami pertama kali matang gonad (L50) pada ukuran 205,50±10,65 mmBL dan C. scorpio betina pada ukuran 186,00±10,48 mmBL.Kata kunci: Cloridopsis scorpio, TKG, IKG, Ukuran pertama kali matang gonad

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“…has attracted much attention due to the high number of economically relevant species, but less research has focused on Stomatopoda. Several studies investigated stomatopod spermatogenesis (Komai, 1920), spermatozoa morphology (Cotelli & Lora Lamia Donin, 1983;Jamieson, 1989), reproductive organ morphology (Deecaraman & Subramoniam, 1980;Wortham-Neal, 2002), reproductive biology (Kim, Kim, Bae, Kim, & Oh, 2017;Kodama, Shiraishi, Morita, & Horiguchi, 2009), and transcriptome analysis (Yan et al, 2018). Komai (1920) performed the first study on spermatogenesis in Squilla oratoria, and Cotelli and Lora Lamia Donin (1983) and Jamieson (1989) studied the sperm ultrastructure in Squilla.…”

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confidence: 99%

Ultrastructure of spermiogenesis and the distribution of spermatozoal nuclear histones in the Japanese mantis shrimp, Oratosquilla oratoria (Crustacea: Stomatopoda)

Chen

Sun

et al. 2019

Journal of Morphology

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The Japanese mantis shrimp Oratosquilla oratoria (Stomatopoda; Crustacea) is one of the most economically important aquatic species of Pacific shrimp and it is distributed from Japan to the coast of China, the Philippines, the Malay Peninsula, and the Hawaiian Islands. Early studies described certain characteristics of spermatogenesis and the sperm ultrastructure in Stomatopoda, but the composition of sperm basic nuclear proteins (SBNPs) remains completely unknown. We studied the sperm ultrastructure of O. oratoria using transmission electron microscopy and the histone composition using immunofluorescence and immunoelectron microscopy. We found that the spherical nucleus is adjacent to the electron translucent external coat, which occurs in early spermatids. The acrosomal structure begins to form at the junction of the nucleus and the external coat. At the mid‐spermatid stage, part of the chromatin appears to be more electron‐dense than the external coat side. The aflagellate sperm of O. oratoria, are rounded or slightly ovoid in shape and have a consistent granular nucleus, an acrosome structure of pushpin shape and a spherical vesicular body in which faintly granular material is scattered. The acrosome consists of an acrosomal vesicle, perforatorium, and subacrosomal material. The sperm contains histones H2A, H2B, H3, H4, H3.3, H2AX, and H2AZ as well as some histone modifications, that is, H3K9me3, H3K4me2, H3S10ph, H4Kac, and H2A + H4S1ph. Histones are localized not only in the nucleus of the sperm but also in other structures outside the nucleus. The results may provide new perspectives for systematic studies of crustaceans and their sperm chromatin components. These findings extend the study of the sperm structure of Stomatopoda and provide basic data to elucidate the epigenetic mechanism of fertilization.

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

Cited by 11 publications

References 25 publications

Population dynamics of mantis shrimp Harpiosquilla harpax and Oratosquillina sp. in the waters south of Madura Island, Indonesia

Population dynamics of mantis shrimp Harpiosquilla harpax and Oratosquillina sp. in the waters south of Madura Island, Indonesia

Biologi reproduksi udang mantis Cloridopsis scorpio di ekosistem mangrove Belawan, Sumatera Utara

Ultrastructure of spermiogenesis and the distribution of spermatozoal nuclear histones in the Japanese mantis shrimp, Oratosquilla oratoria (Crustacea: Stomatopoda)

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