Life-history traits of ten commercially important small indigenous fish species (SIFS) in the Oxbow lake (Southwestern Bangladesh): key for sound management

Samad, Md. Abdus; Rahman, Md. Ataur; Mahfuj, Md. Sarower-E; Yeasmin, Syeda Maksuda; Sultana, Mst. Farzana; Rahman, Md. Habibur; Ahmed, Fee Faysal; Hossain, Md. Yeamin

doi:10.1007/s11356-021-17492-5

Cited by 6 publications

(8 citation statements)

References 55 publications

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“…Sujatha et al (2010) investigated the length-weight relationship of L. parsia in response to pollution in Visakhapatnam, India, and discovered a b value of 2.49 for polluted waters and 2.52 for non-polluted waters. These differences in the value b could be due to differences in the perceived length classes, sample preservation procedures, the degree of stomach fullness, gonad maturity, sex, food, physiology, seasonal impacts, or geographic location, which were not predicted in the current study (Samad et al 2021). Various factors contribute to an individual's weight gain, and these elements can be intrinsic, extrinsic, or both, and have favored changes in growth metrics such as length and weight in fish (Townsend et al 2003).…”

Section: Discussionmentioning

confidence: 60%

“…The optimal catchable length (L opt ) is the length above which the greatest number of fish can be caught (Froese et al 2018). L opt aids in the selection of fishing gear mesh sizes and the avoidance of catching fish that are smaller than the harvestable size for the intended fishes (Samad et al 2021). There are no comparisons possible because this is the first study on this biological topic.…”

Section: Discussionmentioning

confidence: 99%

“…Distinct populaces of the identical species can have diverse condition aspects, revealing information on food availability, breeding timing, and spawning length (Samad et al 2021). The condition factor can also be used to assess a fish's health (Olopade et al 2018).…”

Section: Condition Factorsmentioning

confidence: 99%

“…Fish LHTs are important criteria for fish biodiversity conservation and regular assessments of local fish populations (Samad et al 2021). In the last few years, plethora of LHT studies have been conducted in a variety of fish species from a variety of riverine ecosystems, including lengthfrequency distribution (LFD) (Muchlisin et al 2010), length-weight relationships (LWR) (Islam et al 2021), condition factors (Rao and Lakshmi 2011), and length at sexual maturity (Saha et al 2021).…”

Section: Introductionmentioning

confidence: 99%

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Life-history traits of grey mullet, Liza parsia in the Passur River of Southern Bangladesh: Implications for effective management

ASADUJJAMAN¹,

KHAN²,

Mahfuj³

et al. 2022

Bangladesh J. Fish.

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The study of life-history features of least-concerned fishes like Liza parsia is critical for developing long-term management and conservation methods for this species. The current study delivers the very first detailed clarification of life-history traits (LHT), containing length-frequency distribution (LFD), length-weight and length-length relationships (LWR and LLR), form factor (a3.0), condition factors, length at first sexual maturity (Lm), natural mortality (Mw) and optimum catchable length (Lopt) of L. parsia from the Passur River in southern Bangladesh. Fish samples (n =150) were randomly collected from May to August 2021, using gill nets. Each individual fish's total length (TL), fork length (FL), standard length (SL), and bodyweight (BW) were recorded. The size classes of TL were 15–17cmleadingmaximum sizes among the fish population. Length-Weight relations (LWR) from exponential b values (TL vs. BW) revealed a negative allometric growth trend (b = 2.6174). The b value based on the LLR similarly specifies the identical growth configuration. The a3.0 score was determined to be 0.01, demonstrating that the fish has extended body morphology. KF is the finest method for measuring the well-being of L. parsia in the Passur River among the four types of condition parameters. Moreover, WR also showed a significant deviation from 100 (p < 0.05) signifying an unstable habitat for L. parsia. The calculated Lm, Mw and Lopt values were 11.20 cm in TL, 0.76/year and 12.64 cm in TL respectively. As a consequence, the findings of this research could be conducted in the future to effectively manage this species in the Passur River, and its interconnecting environments.

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Section: Discussionmentioning

confidence: 60%

Section: Discussionmentioning

confidence: 99%

Section: Condition Factorsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Life-history traits of grey mullet, Liza parsia in the Passur River of Southern Bangladesh: Implications for effective management

ASADUJJAMAN¹,

KHAN²,

Mahfuj³

et al. 2022

Bangladesh J. Fish.

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“…Traditional morphometric measurements were taken across the fish body using a vernier caliper with a precision of 0.01 mm. Measurements were recorded from the left to right direction of each specimen [45,46]. The nine morphometric characters were measured and described in Table 2.…”

Section: Measurement Of Traditional Morphometrics Ratios (Tmr) and Im...mentioning

confidence: 99%

Stock Structure Analysis of the Endangered Queen Loach, Botia dario (Hamilton 1822) from Five Rivers of Northern Bangladesh by Using Morphometrics: Implications for Conservation

Mahfuj

Ahmed²,

Hossain

et al. 2022

Fishes

Self Cite

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Identifying stock is key to sustainable fisheries management and conservation. Using traditional morphometrics (TMR) and image-based truss network analysis (ITNA), we evaluated the stock structure of the endangered queen loach, Botia dario. The study was carried out in the following five stocks in Bangladesh’s northern rivers: the Atrai, Dhorala, Danu, Jamuna, and Padma. The inventory regarding stock structure was investigated using a total of nine traditional morphometrics, 11 ratios, and 23 truss measurements for each individual. To generate 23 ITNA, 12 landmarks were used. To assess variations among the stocks, a principal component analysis (PCA), factor analysis (FA), canonical variate analysis (CVA), and cluster analysis (CA) were performed. Six principal components explained 91.50% of the variation in TMR, while seven principal components explained 73.425% of the variation in ITNA. CVA, using traditional methods and ratios were correctly classified as 65.0%, 42.0%, 64.2%, 89.3%, and 77.5% for Danu, Padma, Jamuna, Dhorala, and Atrai River stocks, respectively, based on original grouped classes. CVA using ITNA was correctly classified as 90.0%, 80.0%, 77.4%, 94.6%, and 98.6% for Danu, Padma, Jamuna, Dhorala, and Atrai River stocks, respectively, based on original grouped classes. CVA analysis based on TMR and ITNA showed that cannonical variates (CV1 to CV3) are related to the whole-body shape. Both TMR and ITNA formed two clusters. In the first cluster, the Jamuna and Atrai River stocks combinedly formed a separate stock based on (TMR). In ITNA, the Dhorala and Atrai River formed as separate stocks from the other four stocks. According to this study, combining TMR and ITNA analysis aids in the differentiation of various B. dario stocks. The stock separation of this species was supposed to be geographic disconnection, waterway nature, and temperature variations. The B. dario stocks are heavily exploited and the species is an ideal nominee for species variation to boost the aquaculture yield. Within-stock distinctions were revealed in this study, necessitating the identification of gene pools and molecular studies to achieve a deeper understanding of the stocks. Through a more scientific approach, this stock structure study may aid in the development of conservation programs for this endangered species.

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Implications of COVID-19 on oxbow lake (Baors) Fisher's community, Bangladesh: resilience to food security against probable natural calamities

Samad¹,

Rahman²,

Yeasmin³

et al. 2022

Heliyon

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Life-history traits of ten commercially important small indigenous fish species (SIFS) in the Oxbow lake (Southwestern Bangladesh): key for sound management

Cited by 6 publications

References 55 publications

Life-history traits of grey mullet, Liza parsia in the Passur River of Southern Bangladesh: Implications for effective management

Life-history traits of grey mullet, Liza parsia in the Passur River of Southern Bangladesh: Implications for effective management

Stock Structure Analysis of the Endangered Queen Loach, Botia dario (Hamilton 1822) from Five Rivers of Northern Bangladesh by Using Morphometrics: Implications for Conservation

Implications of COVID-19 on oxbow lake (Baors) Fisher's community, Bangladesh: resilience to food security against probable natural calamities

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