Stock assessment of two populations of Glossogobius sparsipapillus (Osteichthyes, Gobiidae) in the Mekong Delta

Nguyen, Tien Thi Kieu; Dinh, Quang Minh; Tran, Nam Sy; Nguyen, Ton Huu Duc

doi:10.1016/j.ejar.2021.09.001

Cited by 7 publications

(7 citation statements)

References 12 publications

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“…At BLCM, these parameters were 0.53 and 0.705, respectively. This is different from some other fish species in the VMD that are being overexploited, such as Glossogobius giuris ( Dinh, Phan & Tran, 2017 ), B. butis ( Dinh, 2018a ), S. pleurostigma ( Dinh & Nguyen, 2018 ), G. aureus ( Dinh, Tran & Tran, 2021d d), and G. sparsipapillus ( Nguyen et al, 2021 ).…”

Section: Discussionmentioning

confidence: 72%

Population biological traits of Periophthalmus chrysospilos Bleeker, 1853 in the Vietnamese Mekong Delta

Dinh

Nguyen

et al. 2022

PeerJ

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Periophthalmus chrysospilos is an amphibious fish living in mudflats from eastern India to Indonesia, including the Vietnamese Mekong Delta. Population biological traits play an important role in fishery assessment, but understanding is limited for this species. In total 1,031 specimens were caught in two regions covering four provinces, including the TVST (Duyen Hai, Tra Vinh and Tran De, Soc Trang) and BLCM (Dong Hai, Bac Lieu and Dam Doi, Ca Mau). Results found that the sex ratio was close to 1:1. The parameters of the von Bertalanffy in TVST were L∞ = 12.8 cm, K = 0.41 yr−1, t0 = −0.10 yr and in BLCM were 12.7 cm, 0.38 yr−1 and −0.08 yr, respectively. Although the growth coefficient (Φ′) in BLCM (1.79), was lower than that in TVST (1.83), the species shared a similar size at first capture (7.9 cm in TVST and 7.9 cm in BLCM). The species suffered from heavy pressure of fishing in TVST as fishing mortality in TVST (2.32 yr−1) was higher than that in BLCM (1.38 yr−1), leading to the higher total mortality (Z = 3.60 yr−1) in TVST compared to BLCM (Z = 2.59 yr−1). By contrast, the species showed similar natural mortality over both sites (1.20 yr−1 in TVST and 1.22 yr−1 in BLCM). The Periophthalmus chrysospilos population was reasonably exploited because E values (0.64 in TVST and 0.53 in BLCM) were lower than E10 (0.706 in BTTV and 0.705 in STBL). Nonetheless, to avoid the consequences of overfishing, some sustainable fisheries practices should be implemented, such as protecting mangrove forests, restricting fishing during the recruitment period, using appropriate fishing tools and increasing mesh size.

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Section: Discussionmentioning

confidence: 72%

Population biological traits of Periophthalmus chrysospilos Bleeker, 1853 in the Vietnamese Mekong Delta

Dinh

Nguyen

et al. 2022

PeerJ

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“…From the yield curve converted from the length frequency, the total death coefficient (Z), the natural death coefficient (M), the logging death coefficient (F), and the extraction rate (E) of the G. aureus populations were 3.38/year, 1.16/year, 2.22/year and 0.66, respectively. Similarly, Z, M, F, and E of G. giuris populations were [45]) (the curves show the increase of fish length over time). 9 Biological Characteristics of Some Fish Species in the Mekong Delta, Vietnam DOI: http://dx.doi.org/10.5772/intechopen.106647 3.17/year, 1.40/year, 1.77/year, and 0.56, respectively.…”

Section: àámentioning

confidence: 85%

“…Figure 5.The von Bertalanffy fish growth curve of G. aureus (a, n = 742, source: Dinh et al[43]), G. giuris (b, n = 673, source: Dinh et al[44]), and G. sparsipapillus (c: Cai Rang-Can Tho, n = 717, d: Long Phu-Soc Trang, n = 662, source: Nguyen et al[45]) (the curves show the increase of fish length over time).…”

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confidence: 99%

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Biological Characteristics of Some Fish Species in the Mekong Delta, Vietnam

Tran¹,

Dinh²

2023

Pertinent and Traditional Approaches Towards Fishery

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Vietnam, with a rich river system, many lagoons, and a long coastline, the fish fauna comprises both brackish and freshwater fish. The system of Mekong river is an extensive river located in the south of Vietnam. There are all kinds of brackish and freshwater fish in this river system. This chapter reveals data on the fish species composition and their roles in the Vietnamese Mekong delta. Moreover, the growth pattern and condition factor of some commercial fishes are also presented in this chapter. Their population structure and fishing status are also reported in this chapter.

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“…These parameters are used to assess the fishing status of the fish population (Amezcua et al, 2006 ), but the data on M. mysticetus populations along the Hau River, where they are fishing for food provision, is limited. Cai Rang, Can Tho (CRCT) has favorable climatic and hydrological conditions with fresh water all year round, whereas the Long Phu, Soc Trang (LPST) is affected by saline intrusion in the dry season (Nguyen et al, 2021 ). This phenomenon regulates the variation in population biological parameters of fish, for example, Glossogobius sparsipapillus exhibits significant differences in growth performance; longevity; total, natural, and fishing mortalities between CRCT and LPST (Nguyen et al, 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Life‐history traits of a tropical bagrid catfish, Mystus mysticetus Roberts, 1992, caught from the Mekong Delta, Vietnam

Phan

Lam

Tran

et al. 2023

Ecology and Evolution

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Mystus mysticetus, a member of the Bagridae family, is represented by three dark longitudinal stripes running vertically below the lateral line, a dark black spot at the back of the operculum, a gray-black margin, an adipose dorsal fin that is short-tall and quite a distance from the dorsal fin (Phan et al., 2022;Tran et al., 2013;Vo et al., 2021). The Mystus is of genera of the family Bagridae, a family of fish native to Africa and Asia (Berg, 1858), with about 21 genera and 89 species (Fricke et al., 2022). In Vietnam, species of the genus Mystus are concentrated in the Mekong Delta (VMD) and some other localities in the central and northern regions of Vietnam.According to FAO, in the Mekong River basin, there are 13 species of the genus Mystus, typically M. atrifasciatus (Fowler, 1937), M. vittatus

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Stock assessment of two populations of Glossogobius sparsipapillus (Osteichthyes, Gobiidae) in the Mekong Delta

Cited by 7 publications

References 12 publications

Population biological traits of Periophthalmus chrysospilos Bleeker, 1853 in the Vietnamese Mekong Delta

Population biological traits of Periophthalmus chrysospilos Bleeker, 1853 in the Vietnamese Mekong Delta

Biological Characteristics of Some Fish Species in the Mekong Delta, Vietnam

Life‐history traits of a tropical bagrid catfish, Mystus mysticetus Roberts, 1992, caught from the Mekong Delta, Vietnam

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