Length‐weight relationship of 74 fish species caught in the continental coast of Ecuador

Coello, Dialhy; Herrera, Marco; Zambrano, René

doi:10.1111/jai.14113

Cited by 4 publications

(5 citation statements)

References 7 publications

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“…Pacific Piquintinga or Striped Herring. To 15.9 cm (6.3 in) TL (Coello et al 2021). Bahía Ballenas (26°40'N, 113°30'W), southern Baja California (Grove and Lavenberg 1994) to Puerto Pizarro, Peru (Chirichigno and Vélez 1974), including Gulf of California (Whitehead and Rodríguez-Sánchez in Fischer et al 1995) and Islas Galápagos (Grove and Lavenberg 1997).…”

Section: Family Clupeidae-herringsmentioning

confidence: 99%

“…Peruvian Mojarra. To 35 cm (13.8 in) TL (Coello et al 2021). Boca de Soledad (25°23'N, 112°05'W) (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) to Peru (Chirichigno and Vélez 1998), including Gulf of California (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California).…”

Section: Family Gerreidae-mojarrasmentioning

confidence: 99%

“…Silver Drum. To 36.1 cm (14.2 in) (Coello et al 2021) or 52 cm (20.5 in) TL (Jiménez Prado and Béarez 2004). Southern Baja California (Chao in Fischer et al 1995) to Tumbes, Peru (Chirichigno and Vélez 1998), including lower Gulf of California (Chao in Fischer et al 1995).…”

Section: Family Sciaenidae-drums and Croakersmentioning

confidence: 99%

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Checklist of marine and estuarine fishes from the Alaska–Yukon Border, Beaufort Sea, to Cabo San Lucas, Mexico

Love

Bizzarro

Cornthwaite

et al. 2021

Zootaxa

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This paper is a checklist of the fishes that have been documented, through both published and unpublished sources, in marine and estuarine waters, and out 200 miles, from the United States-Canadian border on the Beaufort Sea to Cabo San Lucas, Mexico. A minimum of 241 families and 1,644 species are known within this range, including both native and nonnative species. For each of these species, we include maximum size, geographic and depth ranges, whether it is native or nonnative, as well as a brief mention of any taxonomic issues.

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Section: Family Clupeidae-herringsmentioning

confidence: 99%

Section: Family Gerreidae-mojarrasmentioning

confidence: 99%

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Checklist of marine and estuarine fishes from the Alaska–Yukon Border, Beaufort Sea, to Cabo San Lucas, Mexico

Love

Bizzarro

Cornthwaite

et al. 2021

Zootaxa

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show abstract

“…Knowing length-weight relationships (LWR) is important because it allows for numerical estimates of fish condition, comparisons between living conditions in different regions for the same species, biomass calculations from length data, or transformations of length growth equations to weight growth, all of which have different applications in stock assessment and management models [10][11][12][13][14][15][16][17][18][19][20][21]. LWR can also be used to estimate the amount of discard of a given species through its size distribution [22,23].…”

Section: Introductionmentioning

confidence: 99%

Every Fish Counts: Challenging Length–Weight Relationship Bias in Discards

Rodríguez‐García

Castro‐Gutiérrez

Domínguez-Bustos

et al. 2023

Fishes

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Bycatch is a significant issue in global fisheries and understanding the length–weight relationships (LWR) of fish species can provide valuable insights for stock assessment and management efforts. In this study, we estimated the LWR of 74 fish species in trawl fleet discards from the Gulf of Cadiz, including 24 species for which LWR data had not been previously reported in this region. LWR was calculated from the formula W = aLb where parameter a is the intercept of the equation, related to body shape, and parameter b is the slope, which indicates the type of growth of the species. A total of 20,007 individuals from 40 families were measured and weighed. The most abundant species were Engraulis encrasicolus, Trachurus trachurus, Serranus hepatus, Sardina pilchardus, Capros aper, and Diplodus bellottii, and the Sparidae family was the most represented with ten species. The parameter b, which represents the type of growth, ranged from 2.1607 to 3.7040. A positive allometric growth trend was observed in 64% of the species. The inclusion of individuals with a low sample size proved useful, particularly for first reports in a new study area. However, caution should be taken when using these data, as the estimates of the length–weight relationship for these species may be less precise. Further studies with larger sample sizes are needed to confirm the results and improve the accuracy of the estimates. Overall, our findings contribute to the understanding of the LWR of fish species in the Gulf of Cadiz, informing future research and management efforts in the region.

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“…La relación talla-peso es utilizable para la estimación de la biomasa basada en censos visuales y/u observaciones remotas, determinación del "bienestar" individual y parámetros poblacionales (e.g., mortalidad), así como, en modelos de evaluación de stock (Le Cren, 1951;Kulbicki et al, 2005;Froese, 2006;Jobling, 2008;Kenchington, 2014;Hay et al, 2020;Coello et al, 2021).…”

Section: Introductionunclassified

Relaciones Talla-Peso en 26 Especies De Peces Provenientes De La Pesca Artesanal en Ecuador

Coello

Zambrano

Herrera

2021

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La relación talla-peso es utilizable en estimaciones de biomasa de organismos, en la determinación del “bienestar” del individuo y como datos de entrada en modelos de evaluación de stock. El objetivo del presente trabajo fue establecer la relación talla-peso de 26 especies de peces capturadas en la pesca artesanal, a lo largo de la costa continental ecuatoriana. La talla y peso total fueron registrados mensualmente, entre 2012 y 2014, en sitios de muestreo ubicados en las provincias costeras de Ecuador. La relación talla-peso se estimó mediante el modelo potencial. Se analizaron 24 especies comerciales y dos no-comerciales, que incluyen organismos demersales y bentónicos. El valor del intercepto fue inferior a 0,03 mientras que, el coeficiente de determinación mayor a 0,98. Los valores de las pendientes mostraron tres especies con alometría negativa (b < 3), nueve especies con alometría positiva (b > 3) y 14 especies con isometría (b = 3). La alometría es una característica específica de la especie y las variaciones intraespecíficas se pueden relacionar con efectos determinados genéticamente, así como, por el sexo, estadio de madurez, periodo de desove. Los parámetros de la relación talla-peso presentados deben tomarse con cautela considerando que, son dados indistintamente del sexo.

show abstract

Length‐weight relationship of 74 fish species caught in the continental coast of Ecuador

Cited by 4 publications

References 7 publications

Checklist of marine and estuarine fishes from the Alaska–Yukon Border, Beaufort Sea, to Cabo San Lucas, Mexico

Checklist of marine and estuarine fishes from the Alaska–Yukon Border, Beaufort Sea, to Cabo San Lucas, Mexico

Every Fish Counts: Challenging Length–Weight Relationship Bias in Discards

Relaciones Talla-Peso en 26 Especies De Peces Provenientes De La Pesca Artesanal en Ecuador

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