Length-weight relationships of six freshwater fishes from small streams flowing into Lake Sapanca, NW Turkey

Tarkan, Ali Serhan; Özuluğ, Müfit; Gaygusuz, Özcan; Gaygusuz, Çiğdem Gürsoy; Saç, Gülşah

doi:10.1111/j.1439-0426.2008.01201.x

Cited by 10 publications

(8 citation statements)

References 10 publications

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“…There are, however, other biological data available in both ranges, including sex ratios, weight-length (WL) relationships and diet (e.g. Tarkan et al, 2006Tarkan et al, , 2009.…”

Section: Introductionmentioning

confidence: 99%

Plasticity in life history traits of the nativeProterorhinus semilunarissuggests high adaptive capacity in its invasive range

Top¹,

Karakuş²,

Tepeköy³

et al. 2018

Knowl. Manag. Aquat. Ecosyst.

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Invasion risk assessments are reliant on ecological data that assist the predictions of whether an introduced species will adapt to novel conditions. Data from the native range of potential invaders can thus assist these assessments. Here, the growth and reproductive characteristics of the Western tubenose goby Proterorhinus semilunaris, a Ponto-Caspian gobiid, were assessed in three natural lakes in their native range, as there are few extant data on these traits. Across the three lakes, the gobies were found in varying abundances. Sex ratios varied, with females significantly outnumbering males in only one lake, with equal sex ratios in the other lakes. The fish always showed a positive allometric growth, but had high variability in their somatic growth rates and relative body conditions between the lakes. Scale ageing revealed all populations comprised of individuals to four years old, with one lake having individuals to 5 years old. Reproductive characteristics, including size at maturity, gonado-somatic index and fecundity, did not differ significantly between the lakes. These data suggest that plasticity in aspects of their life history traits provides P. semilunaris with considerable adaptive capacity following their introduction into novel conditions.

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“…There are, however, other biological data available in both ranges, including sex ratios, weight-length (WL) relationships and diet (e.g. Tarkan et al, 2006Tarkan et al, , 2009.…”

Section: Introductionmentioning

confidence: 99%

Plasticity in life history traits of the nativeProterorhinus semilunarissuggests high adaptive capacity in its invasive range

Top¹,

Karakuş²,

Tepeköy³

et al. 2018

Knowl. Manag. Aquat. Ecosyst.

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“…In recent studies on P. semilunaris previously known as Proterorhinus marmoratus [8,26], the b values in the LWRs of P. semilunaris populations in Lakeİznik, Lake Durusu (Terkos Dam Lake) and Lake Sapanca were reported as 3.20, 3.26 and 2.85, respectively. Top et al [11] reported that the estimated values of b inİznik, Sapanca, and Uluabat lake populations were all above 3.0, indicating positive allometry.…”

Section: Discussionmentioning

confidence: 99%

“…Proterorhinus semilunaris is one of the native gobiid species in the fish fauna of Turkish inland waters [1]. Only a few studies have recently been carried out in Turkish part of its native range to fill the gap in knowledge on its bio-ecology, including the length-weight relationship, diel activity, trophic ecology, age structure, somatic growth, and reproductive characteristics of the species [8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Bio-Ecological Traits of Western Tubenose Goby Proterorhinus semilunaris (Heckel, 1837): A Key to Understand Its Invasion Success

Saç

2019

Water

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This study aims to contribute to the limited knowledge on the bio-ecological traits of the native Western tubenose goby, Proterorhinus semilunaris, which is considered to invade many inland waters in Europe and North America. During monthly sampling surveys from March 2012 to June 2013, the species was collected from the four stations in the Istranca River (Turkey) by electrofishing. The standard length and body weight of 310 samples varied between 1.4–6.1 cm and 0.08–7.09 g, respectively. The sex ratio of female to male was found to be 1.7:1.0, with a significant difference. The values of the exponent b in the length–weight relationship were approximately 3 for females, males, and all individuals, indicating an isometric growth. The size at first sexual maturity was 2.44 cm standard length (SL) for females and 2.29 cm SL for males. Absolute fecundity ranged from 56 to 344 eggs with a mean of 164 eggs. The food composition of the species comprised of 8 major groups: Insecta (Diptera, Ephemeroptera, Plecoptera, Odonata, Trichoptera, Coleoptera), Arachnida, Annelida, Gastropoda, Crustacea, Pisces, plant, and detritus. According to the results of modified index of relative importance (MI) and index of relative importance (IRI), insect and Diptera were the most prevalent prey for this fish. The present study has provided baseline information on the basic biological traits of the fish in its natural habitat for further understanding of this species success of invasion.

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“…The LWR and LLRs and condition factors of freshwater fish associated with a number of studies have been carried out previously (Alp and Kara 2004;Bostancı et al 2007;Yılmaz et al 2007;Kırankaya and Ekmekçi 2007;Bostancı et al 2009;Tarkan et al 2009). Nevertheless, there are no adequate studies on growth features of Sakarya bleak.…”

Section: Introductionmentioning

confidence: 99%

İnci Balığı (Alburnus escherichii Steindachner, 1897)’nın Farklı Habitatlarda Bazı Büyüme Özellikleri ve Boy-Boy İlişkilerinin Değişimi

Çetinkaya¹,

Yeğen²,

Bilgin³

et al. 2015

Journal of Limnology and Freshwater Fisheries Research

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Length-weight relationships of six freshwater fishes from small streams flowing into Lake Sapanca, NW Turkey

Abstract: Length-weight relationships are given on six freshwater fish species (Phoxinus phoxinus, Cobitis vardarensis, Neogobius gymnotrachelus, Proterorhinus marmoratus, Petroleuciscus borysthenicus and Gambusia holbrooki) from four streams flowing into Lake Sapanca, north-western Turkey.

Cited by 10 publications

References 10 publications

Plasticity in life history traits of the nativeProterorhinus semilunarissuggests high adaptive capacity in its invasive range

Plasticity in life history traits of the nativeProterorhinus semilunarissuggests high adaptive capacity in its invasive range

Bio-Ecological Traits of Western Tubenose Goby Proterorhinus semilunaris (Heckel, 1837): A Key to Understand Its Invasion Success

İnci Balığı (Alburnus escherichii Steindachner, 1897)’nın Farklı Habitatlarda Bazı Büyüme Özellikleri ve Boy-Boy İlişkilerinin Değişimi

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