Length-weight and length-length relationships of four endemic fish species from the upper Yellow River in the Tibetan Plateau, China

Xie, Jia Yan

doi:10.1111/jai.12820

Cited by 5 publications

(5 citation statements)

References 7 publications

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“…According to Onikura and Nakajima [45], the b value reflects the growth pattern of fish, and when b is close to "3", it is isometric growth, otherwise, it is allometric growth. In this study, the slope b of length-weight relationship was 2.942, which is obviously lower than Xie's [46] reported b value (3.33) for T. scleroptera in the Longyangxia Reservoir of the Yellow River. This indicates that gonad maturity, age structure, stomach fullness, and food abundance, can lead to different b values even within the same species [46].…”

Section: Discussioncontrasting

confidence: 85%

“…In this study, the slope b of length-weight relationship was 2.942, which is obviously lower than Xie's [46] reported b value (3.33) for T. scleroptera in the Longyangxia Reservoir of the Yellow River. This indicates that gonad maturity, age structure, stomach fullness, and food abundance, can lead to different b values even within the same species [46]. Compared with several fishes of the same genus, it is similar to T. markehenensis (2.952) [27], T. stenura (2.976) [28], and T. anterodorsalis (3.012) [29], indicating that these species exhibit an isometric growth pattern.…”

Section: Discussioncontrasting

confidence: 85%

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Estimates of the Age, Growth, and Mortality of Triplophysa scleroptera (Herzenstein, 1888) in the Upper Reaches of the Yellow River, China

Li,

Liu,

Wang

et al. 2023

Fishes

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To investigate the age composition, growth pattern, mortality, and exploitation rate of Triplophysa scleroptera in the upper reaches of the Yellow River, we measured the total length (L) and body weight (W) of 347 individuals based on three sampling surveys from 2022 to 2023. The otoliths were used in this investigation to determine age. The total length of the collected samples ranged from 5.69 cm to 18.40 cm, body weight ranged from 1.65 g to 50.22 g, and the age ranged from 1 to 7 years old. The relationship of total length and body weight was W=0.009L2.942 for the total samples, and the growth pattern observed in the study belongs to the isometric type. The von Bertalanffy growth equation revealed that the fish had an asymptotic total length L∞ of 37.536 cm, and the growth coefficient K was 0.064 yr−1. Total instantaneous mortality rate (Z) of total samples calculated by the age-based catch curve method was 1.092 yr−1. The average instantaneous rate of the natural mortality (M), estimated by three different methods, for the total samples was 0.237 yr−1. The instantaneous rate of fishing mortality (F) for the total samples was calculated as 0.855 yr−1, and the exploitation rate (E) was determined as 0.783. As a whole, compared with other Triplophysa fishes, the growth rate of T. scleroptera in the upper reaches of the Yellow River is relatively slow, and the population of T. scleroptera has been overexploited. It is crucial to establish some effective management strategies to protect this species.

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Section: Discussioncontrasting

confidence: 85%

Section: Discussioncontrasting

confidence: 85%

Estimates of the Age, Growth, and Mortality of Triplophysa scleroptera (Herzenstein, 1888) in the Upper Reaches of the Yellow River, China

Li,

Liu,

Wang

et al. 2023

Fishes

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“…The Yellow River is the second longest river in China (Yang et al, ). Fish diversity in the Yellow River is known to be high, However, data on the LWRs of the ichthyofauna are scarce (Xie, ). In the study, the LWRs of four fish species for which no such estimates exist in the literature are presented.…”

Section: Introductionmentioning

confidence: 99%

Length-weight relationships of four fish species from the Yellow River, China

et al. 2018

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Length‐weight relationships (LWRs) were estimated for four fish species [Schizopygopsis anteroventris Wu & Tsao, 1989, Schizothorax lissolabiatus Tsao, 1964, Triplophysa markehenensis (Zhu & Wu, 1981) and Triplophysa siluroides (Herzenstein, 1888)] from the Yellow River. Samples were collected seasonally from August 2016 to October 2017, using various fishing gears [set nets (mesh: 1.5 cm × 2.0 cm), hook, drift gill nets (mesh: 1.0 cm × 2.0 cm × 3.0 cm) and electro fishing]. Four new maximum standard length were recorded for S. anteroventris, S. lissolabiatus, T. markehenensis and T. siluroides.

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“…Until 2006, LWRs of the type W = aL b have been described for 1773 species (Froese, ). LWRs are important biological parameters and frequently used to determine weight and biomass when only length measurements are available in fishery research (Liang et al., ; Xie, ). Based on the assumption that heavier fish are in better condition, the condition factors are often used to compare “fatness” or the state of maturity (Froese, ).…”

Section: Introductionmentioning

confidence: 99%

Length-weight relationships of seven myctophid fishes (Myctophiformes: myctophidae) in the South China Sea

Jiang

Chen²,

Zhang³

et al. 2017

J Appl Ichthyol

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The study included 546 specimens of seven myctophid fish species from the South China Sea (captured during June 2015 by bottom and mid-water trawls). Lengthweight relationships (LWRs), W = aL b , were estimated using standard length. The species belong to four genera. The values for the parameter a ranged from 0.006 to 0.022, while the b values ranged from 2.710 to 3.476 (Range of r 2 values: .938 to .971).According to FishBase, this study presents the first LWRs for these species, including two maximum standard lengths for Diaphus chrysorhynchus and Notoscopelus resplendens.

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Length-weight and length-length relationships of four endemic fish species from the upper Yellow River in the Tibetan Plateau, China

Cited by 5 publications

References 7 publications

Estimates of the Age, Growth, and Mortality of Triplophysa scleroptera (Herzenstein, 1888) in the Upper Reaches of the Yellow River, China

Estimates of the Age, Growth, and Mortality of Triplophysa scleroptera (Herzenstein, 1888) in the Upper Reaches of the Yellow River, China

Length-weight relationships of four fish species from the Yellow River, China

Length-weight relationships of seven myctophid fishes (Myctophiformes: myctophidae) in the South China Sea

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