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Growth parameters of Poecilia latipinna (Lesueur, 1821) (Actinopterygii, Poeciilidae) – an introduced species in brackish water of Wadi Al-Bahayes (Oman)

Salim Serkan Güçlü
Salim Serkan Güçlü
, 
Saud M. Al Jufaili
Saud M. Al Jufaili
 and 
Laith A. Jawad
Laith A. Jawad
   | Sep 02, 2021
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Article Category: Original research paper
Published Online: Sep 02, 2021
Page range: 269 - 277
Received: Feb 16, 2021
Accepted: Apr 02, 2021
DOI: https://doi.org/10.2478/oandhs-2021-0023
Keywords
© 2021 Salim Serkan Güçlü et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Sampling area – Wadi Al-Bahayes in Oman (photo by Dr. Saud Al Jufaili)
Sampling area – Wadi Al-Bahayes in Oman (photo by Dr. Saud Al Jufaili)

Figure 2

Poecilia latipinna, Wadi Al Bahayes (Oman), 49.6 mm SL ♂, 50.6 mm SL ♀ (photo by Dr. Salim Serkan Güçlü)
Poecilia latipinna, Wadi Al Bahayes (Oman), 49.6 mm SL ♂, 50.6 mm SL ♀ (photo by Dr. Salim Serkan Güçlü)

Figure 3

Total length and weight in frequency distributions for P. latipinna in Oman (F = females, M = males, F + M = all specimens)
Total length and weight in frequency distributions for P. latipinna in Oman (F = females, M = males, F + M = all specimens)

Figure 4

L∞ value according to the von Bertalanffy growth equation (a – males, b – females)
L∞ value according to the von Bertalanffy growth equation (a – males, b – females)

Figure 5

Total length–weight relationships (females, males and all specimens) of P. latipinna from Oman
Total length–weight relationships (females, males and all specimens) of P. latipinna from Oman

Measured and calculated average total length values for each age in the von Bertalanffy growth equation

Age (Year) Observed average length (cm) Expected average length (cm) t test
1 4.34 ♂4.44 ♀ 4.30 ♂4.37 ♀ p > 0.05
2 5.20 ♂5.13 ♀ 5.15 ♂5.07 ♀ p > 0.05
3 5.93 ♂5.81 ♀ 5.91 ♂5.73 ♀ p > 0.05
4 6.61 ♂6.41 ♀ 6.57 ♂6.34 ♀ p > 0.05

Comparison of the growth parameters of Poecilia species reported in different studies

Species Status Locality Ref. N TL (range) W (range) M:F L∞ k t0 Ø ' a b R2
P. butleri native South Pacific, Mexico 1 1868 1.5–6.1 - - - - - - 0.023 3.27 0.968
P. butleri native Gulf of California, Mexico 2 44 1.75–5.54 0.18–5.54 - - - - - 0.0026 3.13 0.99
P. gillii native Chocó region, Ecuador 3 601 1.36–5.21 0.06–4.52 - - - - - 0.0233 3.16 0.969
P. mexicana native Jalpan River, Mexico 4 762 0.8–5.0 1.7–3.6 1.00:1.00 - - - - 0.22 7.41 0.84
P. mexicana native Grijalva River Basin, Mexico 5 158 3.3–7.1 - - - - - - 0.0038 2.782 0.941
P. reticulata native Santa Marta, Colombia 6 231 - - 0.69:1.00 39.8 0.21 −0.91 2.52 0.008 3.045 -
P. reticulata native Bodoquena Plateau, Brazil 7 49 1.50–3.29 0.083–1.03 0.0219 3.09 0.965
P. reticulata native Mundaú River Basin, Brazil 8 204 1.0–2.6 0.01–0.17 - - - - - 0.009 2.982 0.807
P. reticulata native Humid forest enclaves, Brazil 9 840 0.63–4.13 0.004–1.85 - - - - - 0.0216 3.107 0.966
P. sphenops native South Pacific, Mexico 1 1604 1.8–7.1 - - - - - - 0.034 3.00 0.978
P. sphenops native Grijalva River Basin, Mexico 5 58 3.0–7.5 - - - - - - 0.0028 2.970 0.979
P. velifera native Yucatan, Mexico 10 89 1.4–5.2 0.10–6.40 - - - - - 0.022 3.302 0.972
P. velifera alien Songkhla, Thailand 11 6.033 0.7–6.9 - 1.00:1.80 73.58 0.82 0.99 - 0.000013 ♂0.000014 ♀ 3.237 ♂3.194 ♀ 0.986 ♂0.987 ♀
P. vivipara native Coastal Lagoons, Brazil 12 318 1.0–6.0 0.01–3.27 - - - - - 0.008 3.368 0.96
P. vivipara native Guaratiba Mangrove, Brazil 13 555 1.8–7.8 0.07–6.48 - - - - - 0.0078 3.28 0.97
P. vivipara native Atlantic coastal drainage, Brazil 14 24 2.06–4.07 0.11–0.95 - - - - - 0.00795 3.49 0.961
P. latipinna native Everglades, USA 15 1671 0.6–5.4 - 0.31:1.00 - - - - 0.0267 2.880 0.930
P. latipinna native Gulf of Mexico, USA 16 14 2.6–.5.0 - - - - - - 0.6674 2.90 0.94
P. latipinna alien Indonesia 17 1062 2.6–7.6 - 0.53:1.00 - - - - 0.00003 3.02 0.85
P. latipinna alien Wadi Al-Bahayes, Oman This study 124 3.7–7.5 0.77–4.81 0.59:1.00 11.46 ♂14.51 ♀ −0.127 ♂−0.072 ♀ −2.71♂−3.98♀ 1.22 ♂1.18 ♀ 0.0272 ♂0.0151 ♀0.0214 ♂+♀ 2.5907 ♂3.0398 ♀2.7889 ♂ + ♀ 0.9579 ♂0.9368 ♀0.9212 ♂ + ♀

Size and age composition for females (F) and males (M) of P. latipinna

Age class I II III IV Total
Total length (cm) ♀ ♂ ♀ ♂ ♀ ♂ ♀ ♂
3.70–4.20 9 8 17
4.21–4.70 26 11 37
4.71–5.20 2 5 21 5 33
5.21–5.70 7 7 1 15
5.71–6.20 10 4 1 1 16
6.21–6.70 1 3 4
6.71–7.20 1 1
7.21–7.70 1 1
∑ 37 24 28 12 11 4 2 6 124
TL ± sd (min.–max)
♀ 4.44 ± 0,04 (3.70–4.78) 5.13 ± 0.03 (4.83–5.56) 5.81 ± 0.02 (5.61–5.99) 6.41 ± 0.17 (6.16–6.66) 4.93 ± 0.06 (3.70–6.66)
♂ 4.34 ± 0.07 (3.70–4.79) 5.20 ± 0.04 (4.99–5.45) 5.93 ± 0.02 (5.85–5.99) 6.61 ± 0.19 (6.15–7.50) 5.00 ± 0.12 (3.70–7.50)

Age and sex distribution for females (F), males (M) and all P. latipinna specimens from Oman (N – Number of samples, N% – Percent of samples)

Age Females Males All M:F
N %N N %N N %N
1 37 29.84 24 19.35 61 49.19 0.65:1.00 (p < 0.05)
2 28 22.58 12 9.68 40 32.26 0.43:1.00 (p < 0.05)
3 11 8.87 4 3.23 15 12.10 0.36:1.00 (p < 0.05)
4 2 1.61 6 4.84 8 6.45 3.00:1.00 (p < 0.05)
∑ 78 62.90 46 37.10 124 100 0.59:1.00 (p < 0.05)
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