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An ichthyofaunal amendment with the length-weight relations and condition factors of some endemic and invasive freshwater fishes from Western Anatolia Cover

An ichthyofaunal amendment with the length-weight relations and condition factors of some endemic and invasive freshwater fishes from Western Anatolia

Open Access
|Dec 2023

Figures & Tables

Figure 1

Sampling sites in the study area
Sampling sites in the study area

Figure 2

Some of the sampling sites in the Küçük Menderes catchment: a. Lake Belevi; b. Lake Gebekirse; c. Beydağ Reservoir; d. Aktaş Stream.
Some of the sampling sites in the Küçük Menderes catchment: a. Lake Belevi; b. Lake Gebekirse; c. Beydağ Reservoir; d. Aktaş Stream.

Figure 3

Living form of two endemics: Cobitis fahireae, 60 mm SL (upper) and Oxynoemacheilus eliasi, 68 mm SL (lower).
Living form of two endemics: Cobitis fahireae, 60 mm SL (upper) and Oxynoemacheilus eliasi, 68 mm SL (lower).

The length and weight distribution, mean length and weight and their standard errors of fish species

LocalitySpeciesnLminLmaxLmean± SEWminWmaxWmean± SE
Aktaş StreamSqualius fellowesii1883.0017.007.28 ± 0.2580.2858.277.72 ± 0.777
Beydağ ReservoirPerca fluviatilis426.4020.507.55 ± 0.3943.3690.007.94 ± 2.591
Aktaş StreamOxynoemacheilus eliasi*253.407.505.09 ± 0.2900.323.751.35 ± 0.204
Akgöl LakeCobitis fahireae*53.007.006.06 ± 0.6900.162.361.79 ± 0.370
Belevi LakeCyprinus carpio1013.5022.2017.18 ± 0.86139.98197.43104.24 ± 15.923
Akgöl LakeCarassius gibelio**507.0022.0014.35 ± 0.6097.10228.4072.73 ± 8.102
Gebekirse LakeAtherina boyeri**595.809.506.76 ± 0.0881.204.042.16 ± 0.084

Taxonomic updated fish species of Küçük Menderes River and its drainage, based on previous records

NoSaç et al. (2021)*İlhan et al. (2021)**Current Taxonomic Status
1Anguilla anguillaAnguilla anguillaAnguilla anguilla
2Atherina boyeriAtherina boyeriAtherina boyeri
3Cobitis fahireaeCobitis fahireaeCobitis fahireae
4--Cobitis afifeae
5Barbus pergamonensis-Barbus pergamonensis
6-Luciobarbus lydianusLuciobarbus lydianus
7Carassius gibelioCarassius gibelioCarassius gibelio
8Cyprinus carpioCyprinus carpioCyprinus carpio
9Knipowitschia caucasica-Knipowitschia caucasica
10Knipowitschia ricasoliiKnipowitschia ricasoliiKnipowitschia ricasolii
11Alburnus demiri-Alburnus demiri
12Petroleuciscus smyrnaeusPetroleuciscus smyrnaeusPetroleuciscus ninae
13Squalius kosswigiSqualius fellowesiiSqualius kosswigi
14Chelon aurataChelon auratausChelon aurata
15Chelon ramadaChelon ramadaChelon ramada
16Oxynoemacheilus germencicusOxynoemacheilus theophiliiOxynoemacheilus eliasi
17Perca fluviatilisPerca fluviatilisPerca fluviatilis
18Gambusia holbrookiGambusia holbrookiGambusia holbrooki
19Syngnathus abaster-Syngnathus abaster

LWR parameters and growth types of fish species

SpeciesnabSEbR2SErttestGT
Squalius fellowesii1880.0122.9800.0380.9800.086tcal = 0.653 < t0.05, n = 187 = 1.66I
Perca fluviatilis420.0122.9900.0570.9840.034tcal = 0.169 < t0.05, n = 41 = 1.68I
Oxynoemacheilus eliasi*250.0092.9590.0810.9640.042tcal = -0.497 > t0.05, n = 24 = 1.71I
Cobitis fahireae*50.0043.1760.0670.9860.058tcal = 2.643 < t0.05, n = 4 = 2.13A (+)
Cyprinus carpio100.0133.1210.2040.9660.043tcal = -0.006 < t0.05, n = 9 = 1.83I
Carassius gibelio**500.0242.9140.0620.9780.061tcal = 1.376 < t0.05, n = 49 = 1.68I
Atherina boyeri**590.0082.8840.1950.7920.060tcal = 0.591 < t0.05, n = 58 = 1.68I

Condition factors (KF KR, and KM) with standard errors of specimens

NMinMaxMeanSDVarSECI
Squalius fellowesii
KF1880.3913.0801.1290.2360.0560.0170.034
KR1880.3502.7461.0180.2110.0450.0150.030
KM1881.0881.1271.1100.0100.0000.0010.002
Oxynoemachelius eliasi
KF250.7031.0180.8630.0810.0060.0160.034
KR250.3461.5681.1140.0420.0440.0420.085
KM250.5851.0210.7960.1310.0170.0260.054
Carassius gibelio
KF500.9752.4561.9640.2390.0570.0340.068
KR500.5061.2951.0090.1220.0150.0170.035
KM501.8692.0621.9480.0540.0030.0080.015
Atherina boyeri
KF590.5291.0260.7140.0980.0100.0130.026
KR590.6631.5131.0640.2060.0430.0270.054
KM590.3900.8200.6840.0950.0090.0120.025
Cobitis fahireae
KF50.5930.7280.6710.0450.0020.0200.056
KR50.8150.9750.9020.0530.0020.0200.056
KM50.7240.7460.7400.0080.0000.0030.010
Cyprinus carpio
KF101.6252.1731.9010.1740.0300.0550.125
KR100.8821.1571.0040.0910.0080.0290.065
KM101.8421.9561.8940.0360.0010.0110.026
Perca fluviatilis
KF421.0451.5331.2300.0990.0100.0150.031
KR420.8551.2601.0030.0810.0070.0120.025
KM421.2141.2281.2260.0030.0000.0000.001
DOI: https://doi.org/10.26881/oahs-2023.4.01 | Journal eISSN: 1897-3191 | Journal ISSN: 1730-413X
Language: English
Page range: 389 - 398
Submitted on: Apr 6, 2023
Accepted on: Jul 28, 2023
Published on: Dec 31, 2023
Published by: University of Gdańsk
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2023 Irmak Kurtul, Cüneyt Kaya, Arda Şen, Ceylin Özcan, Deniz Ercivan, Kaan Demiral, Melike Güngör, Ali İlhan, Hasan Musa Sarı, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.