Reproductive and morphometric traits of freshwater mussel Lamellidens marginalis and associated hydrology in the Ratargul freshwater Swamp Forest, Bangladesh

Hussain, M. Gulam; Sarker, Tumpa R.; Saha, SR; Iqbal, Mohammed Mahbub

doi:10.1016/j.ejar.2022.11.004

Cited by 5 publications

(5 citation statements)

References 46 publications

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“…This observation may provide an explanation for the absence of a correlation between the condition index and reproductive stages. The CIs and their peak months were varied from the results ofHossain et al (2023),Siddique et al (2020) andNiogee et al (2019). The contrasts between the current results and those of the prior research imply that the morphometry and maturation of the mussel are more closely related to its environmental characteristics(Lagos et al, 2016).…”

contrasting

confidence: 80%

“…A previously documented observation also indicated statistically insignificant but a prevalence of female dominance (male-female sex ratio = 1.00:1.08) within L. marginalis populations inhabiting pond ecosystems in Bangladesh (Niogee et al, 2019). A study conducted by Hossain et al (2023) in the freshwater Swamp Forest of Bangladesh also reported statistically indifferent but female dominated population of L. marginalis. However, male's dominance in the mussel population of a lentic environment of Bangladesh was also reported by Siddique et al (2019).…”

Section: Sex Ratiomentioning

confidence: 75%

“…This decline has resulted in substantial losses in the ecosystem services provided this mussel species (Haag and Williams, 2014;Vaughn, 2018). Understanding mussels' reproductive processes and morphometrics would thus help future conservation initiatives and pollution related studies (Hossain et al, 2023). A comprehensive understanding of the reproductive cycle is crucial to formulate an effective exploitation strategy for this fishery resource.…”

Section: Introductionmentioning

confidence: 99%

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Spawning season and size at first sexual maturity of freshwater mussel Lamellidens marginalis (Lamarck, 1819) in the Brahmaputra River, Bangladesh

Barman,

Tanu,

Siddique

et al. 2023

Arch. Agric. Environ. Sci.

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Spawning season and size at first sexual maturity of Freshwater mussel Lamellidens marginalis was studied from the specimens collected from Brahmaputra River, Mymensingh district, Bangladesh from July 2015 to June 2016. The present study has investigated sex ratios, gamogenetic cycle, condition index, and size at first sexual maturity by means of standard histological procedures. The results indicated no significant difference in the overall sex ratio (M: F = 1:1.3). The qualitative analysis of gonad developmental stages has provided confirmation of the presence of a yearly reproductive cycle characterized by prolonged gonadal activity. The highest percentages of ripe gonads were observed in July for males (77.78%) and August for females (53.85%). The spawning activity was highest in October for males (50%) and November for females (83.33%). Furthermore, ripening and spawning stages in different shell lengths ranged from 58–63 to 88–93 mm for both sexes. The findings from the qualitative observation of gonad developmental stages, a single annual spawning peak observed between October and November. A statistically significant correlation was detected between the average condition index of male and female. Males reached sexual maturity at smaller standard length (SL50 = 63.25 mm) compared to females (SL50 = 72.10 mm SL). Acquired knowledge regarding the present state and distinctive gonad developmental characteristics of L. marginalis will aid fisheries management professionals and conservation biologist in the effective management of this particular species of mussels in the waters of Bangladesh.

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contrasting

confidence: 80%

Section: Sex Ratiomentioning

confidence: 75%

Section: Introductionmentioning

confidence: 99%

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Spawning season and size at first sexual maturity of freshwater mussel Lamellidens marginalis (Lamarck, 1819) in the Brahmaputra River, Bangladesh

Barman,

Tanu,

Siddique

et al. 2023

Arch. Agric. Environ. Sci.

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“…Adult carp begin their spawning migration in early March due to rains, rising water temperatures, and increasing water flow from the Himalayas. Spawning starts in May with the arrival of the southwest monsoon rains and lasts until July [ 18 , 30 ]. Very little research has been done on the spawning locations and spawning efficiency of major carp in Bangladesh.…”

Section: Introductionmentioning

confidence: 99%

Ecological Insights, and Fin Fish Diversity in Carps Spawning Grounds: Case Studies from the Surma River and Tanguar Haor, Bangladesh

Akther,

Hossain,

Mian

et al. 2024

Scientifica

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This study aims to provide a thorough ecological understanding of fin fish diversity within carp spawning grounds in the Surma River and Tanguar haor. Over two spawning seasons, this research investigates ecological factors impacting fin fish diversity and abundance in carp spawning grounds of the Surma River and Tanguar haor, emphasizing water quality, habitat features, spawn availability, and environmental influences. Fish spawn samples were collected with eight “Savar nets” at chosen sites and reared in a fiberglass tank at the mini hatchery for species identification. The representative spawn samples were examined under a microscope for preliminary species identification before rearing. The study found that both the Surma River and Tanguar haor offer ideal conditions for carp spawning due to factors such as water quality, natural food availability, habitat suitability, and favorable climatic conditions. The study identified 39 fish species under the 10 fish groups from both locations, with a higher percentage of carp species (31.42%) in the Surma River in 2021 compared to 2022 (22.50%). In Tanguar haor, the percentage of carp species was 7.55% and 6.50% in 2021 and 2022, respectively. The Surma River’s ecological indices (2021-2022) indicated decreased diversity, likely due to environmental degradation, while Tanguar haor showed lower diversity possibly attributable to multiple environmental stressors. The dominant carp species, Labeo calbasu, Labeo bata, and Labeo gonius, were identified in both the Surma River and Tanguar haor. The spawning distribution varied among different locations, with some sites showing a presence of carp species, such as Hajipur T1 in the Surma River and Alam Duar T2 in Tanguar haor. The findings highlight the importance of hydrological and environmental parameters in shaping carp spawning habitat distribution and abundance, contributing to aquatic biodiversity conservation and resource management.

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“…The freshwater pearl mussel, Lamellidens marginalis , is one of the most extensively distributed molluscan animals inhabiting the tropical water of the Indian subcontinent [ 22 ]. Like other mollusks, L. marginalis have a strong stress tolerance capacity and sensitivity to pollutants, which make them a reliable bio-indicator and sentinel species to identify the pollution level of particular water bodies [ 23 , 24 ].…”

Section: Introductionmentioning

confidence: 99%

Impact of Pb Toxicity on the Freshwater Pearl Mussel, Lamellidens marginalis: Growth Metrics, Hemocyto-Immunology, and Histological Alterations in Gill, Kidney, and Muscle Tissue

Chowdhury

Schneider

et al. 2023

Toxics

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Pb is one of the most extensively used harmful heavy metals in Bangladesh, and its occurrence in waters affects aquatic organisms significantly. The tropical pearl mussel, Lamellidens marginalis, was exposed to different concentrations (T1 21.93 mgL−1, T2 43.86 mgL−1, and T3 87.72 mgL−1) of Pb(NO3)2 and was evaluated against a control C 0 mgL−1 of Pb(NO3)2, followed by a 96 h acute toxicity test. The LC50 value was recorded as 219.32 mgL−1. The physicochemical parameters were documented regularly for each treatment unit. The values of % SGR, shell weight, soft tissue wet weight, and weight gain remained statistically higher for the control group in comparison with the treatment. No mortality was noted for control units, while a gradually decreased survival rate was recorded for the different treatment groups. Fulton’s condition factor was recorded as highest in the control and lowest in the T3 unit, while the condition indices did not vary between the control and treatment groups. The hemocyte was accounted as maximum in the control and T1, while minimum in T2 and T3. The serum lysosomal parameters also followed a similar pattern, and a significantly low level of lysosomal membrane stability, and serum lysosome activity was noted for T3 and T2 units in comparison to the control group. The histology of the gill, kidney, and muscle was well structured in the control group, while distinct pathologies were observed in the gill, kidney, and muscle tissue of different treatment groups. The quantitative comparison revealed that the intensity of pathological alteration increased as the dosage of Pb increased. The current study, therefore, indicated that intrusion of Pb(NO3)2 in the living medium significantly alters growth performance and hemocyte counts, and chronic toxicity induces histomorphological abnormalities in vital organs.

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Reproductive and morphometric traits of freshwater mussel Lamellidens marginalis and associated hydrology in the Ratargul freshwater Swamp Forest, Bangladesh

Cited by 5 publications

References 46 publications

Spawning season and size at first sexual maturity of freshwater mussel Lamellidens marginalis (Lamarck, 1819) in the Brahmaputra River, Bangladesh

Spawning season and size at first sexual maturity of freshwater mussel Lamellidens marginalis (Lamarck, 1819) in the Brahmaputra River, Bangladesh

Ecological Insights, and Fin Fish Diversity in Carps Spawning Grounds: Case Studies from the Surma River and Tanguar Haor, Bangladesh

Impact of Pb Toxicity on the Freshwater Pearl Mussel, Lamellidens marginalis: Growth Metrics, Hemocyto-Immunology, and Histological Alterations in Gill, Kidney, and Muscle Tissue

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