Describing biological parameters of several endemic Salmo species from the Caspian Sea and Persian Gulf basins

Bayçelebi, Esra; Kurtul, Irmak; Onay, Hatice; Kaya, Cüneyt; Haubrock, Phillip J.; Turan, Davut

doi:10.26881/oahs-2025.1.03

Figures & Tables

The sampling sites where the material examined for this study was collected.

The salmonids examined in this study: (A) Salmo baliki, FFR 3242, holotype, 212 mm SL, male, Sinek Stream; (B) S. murathani, FFR 3228, paratype, 241 mm SL, female, Arpaçay Stream; (C) S. araxensis, FFR 3224, holotype, 259 mm SL, male, Kırkpınar Stream; (D) S. fahrettini, FFR03231, holotype, 232 mm SL, male, Stream Ömertepesuyu; (E) S. munzuricus, FFR 3226, 240 mm SL, male, stream Alakoçlu; (F) S. ardahanensis, FFR 3239, holotype, 222 mm SL, male, Toros Stream.

j_oahs-2025_1_03_tab_004

Basin	Coordinate	Date	Species	FFR	N
Kırkpınar Stream, Aras River, Caspian Sea Basin	40.854 43.0189	3.09.2006	Salmo araxensis^a	3122	18
Stream Toros, Kura River, Caspian Sea Basin	41.100 42.433	21.09.2014	Salmo ardahanensis^a	3164	10
Keklik Stream, Aras River, Caspian Sea Basin	40.283 42.650	6.09.2006	Salmo murathani^a	3121	41
Arpaçay Stream, Aras River, Caspian Sea Basin	40.912 43.172	26.07.2017	3228
Murat River, Persian Gulf Basin	39.731 43.482	5.09.2006	Salmo baliki^a	3205	10
Stream Sinek, A Tributary of Murat River, Persian Gulf Basin	39.758 43.464	29.08.2019		3234
Stream Tekke, Euphrates River Persian Gulf Basin	39.759 43.464	4.09.2006	Salmo fahrettini^a	3232	17
Stream Ömertepe, Euphrates River Persian Gulf Basin	39.796 40.944	28.07.2007		3232
Stream Mengel, Euphrates River Persian Gulf Basin	39.314 41.163	2.06.2021	Salmo munzuricus^a	3241	40
Munzur Stream, Euphrates River, Persian Gulf Basin	39.346 39.132	19.10.2009		3147
A Tributary of Murat River, Persian Gulf Basin	39.475 43.267	29.08.2019		3235
Munzur Stream, Euphrates River, Persian Gulf Basin	9.347 39.134	26.10.2013		3162

Information of the studied locations_

Species	Locality	Latitude	Longitude	Year
Salmo araxensis	Kırkpınar Stream, Aras River, Caspian Sea Basin	40.854	43.019	2006
Salmo ardahanensis	Stream Toros, Kura River, Caspian Sea Basin	41.100	42.433	2014
Salmo baliki	Stream Sinek 1, A Tributary of Murat River, Persian Gulf Basin	39.731	43.482	2006
Salmo baliki	Stream Sinek 2, A Tributary of Murat River, Persian Gulf Basin	39.758	43.464	2019
Salmo fahrettini	Stream Tekke, Euphrates River Persian Gulf Basin	39.819	41.152	2006
Salmo fahrettini	Stream Ömertepe, Euphrates River Persian Gulf Basin	39.796	40.944	2007
Salmo munzuricus	Stream Mengel, Euphrates River, Persian Gulf Basin	39.314	41.163	2021
	Munzur Stream, Euphrates River, Persian Gulf Basin	39.346	39.132	2009
	A Tributary of Murat River, Persian Gulf Basin	39.475	43.267	2019
	Munzur Stream, Euphrates River, Persian Gulf Basin	39.347	39.134	2013
Salmo murathani	Keklik Stream, Aras River, Caspian Sea Basin	40.283	42.650	2006
Salmo murathani	Arpaçay Stream, Aras River, Caspian Sea Basin	40.912	43.172	2017

The parameters of the length–weight relationships of species with its statistical results, GT with t-test results and CF parameters with SD_

Species	Site	n	a	b	r²	SE (b)	t-test	GT	CF_min–CF_max	CF_mean (SD)
S. araxensis	Kırkpınar Stream	18	0.0076	3.1510	0.99	0.001	t_cal = 151 > t_{0.05, n = 18} = 2.10	A (+)	0.838–1.132	0.998 (0.001)
S. ardahanensis	Stream Toros	10	0.0118	3.0032	0.98	0.023	t_cal = 0.14 < t_{0.05, n = 10} = 2.28	A (−)	0.941–1.072	1.003 (0.013)
S. baliki	Overall	10	0.0033	3.4440	0.98	0.015	t_cal = 29.6 > t_{0.05, n = 10} = 2.28	A (+)	0.882–1.077	0.998 (0.022)
	Stream Sinek 1	3	0.0197	2.8814	0.99	0.0265	t_cal = −4.48 > t_{0.05, n = 3} = 3.18	A (−)	0.88–1.06	0.98 (0.044)
	Stream Sinek 2	7	0.0024	3.5478	0.99	0.0171	t_cal = 32.03 > t_{0.05, n = 7} = 2.36	A (+)	0.89–1.07	1.00 (0.025)
S. fahrettini	Overall	17	0.0090	3.1440	0.98	0.007	t_cal = 20.57 > t_{0.05, n = 17} = 2.11	A (+)	0.896–1.097	0.999 (0.014)
	Stream Tekke	2	-	-	-	–	-	-	-	-
	Stream Ömertepe	15	0.0104	3.0684	0.99	0.0065	t_cal = 10.52 > t_{0.05, n = 15} = 2.28	A (+)	0.89–1.07	0.98 (0.013)
S. munzuricus	Overall	40	0.0088	3.1052	0.97	0.006	t_cal = 17.53 > t_{0.05, n = 40} = 2.02	A (+)	0.779–1.314	1.010 (0.019)
	Stream Mengel	4	0.0066	3.2673	0.99	0.0138	t_cal = 19.37 > t_{0.05, n = 4} = 2.78	A (+)	1.12–1.31	1.19 (0.036)
	Munzur Stream	7	0.0118	2.9768	0.93	0.0906	t_cal = 0.26 > t_{0.05, n = 7} = 2.36	I	0.80–1.09	0.91 (0.033)
	Murat River Tributary	15	0.0056	3.2481	0.98	0.0129	t_cal = 213.33 > t_{0.05, n = 15} = 2.13	A (+)	0.77–1.28	0.99 (0.026)
	Munzur Stream	14	0.0089	3.1072	0.99	0.0139	t_cal = 7.72 > t_{0.05, n = 14} = 2.14	A (+)	0.91–1.19	1.02 (0.028)
S. murathani	Overall	41	0.0080	3.1475	0.98	0.0007	t_cal = 21.07 > t_{0.05, n = 41} = 2.02	A (+)	0.875–1.131	0.998 (0.011)
	Keklik Stream	18	0.0091	3.0929	0.99	0.0015	t_cal = 61.93 > t_{0.05, n = 18} = 2.10	A (+)	087–1.13	0.99 (0.016)
	Arpaçay Stream	23	0.0055	3.2799	0.98	0.0046	t_cal = 0.27 > t_{0.05, n = 23} = 2.07	I	0.88–1.12	1.00 (0.015)

Total length and total weight distribution with their min, max, and mean values and SD_

Species	Site	n	L_min	L_max	L_mean	SD	W_min	W_max	W_mean	SD
S. araxensis	Kırkpınar Stream	18	6.9	29.5	14.73	1.772	3.56	334.40	73.34	24.428
S. ardahanensis	Stream Toros	10	19.0	27.1	23.60	0.680	76.95	233.63	154.14	12.758
S. baliki	Overall	10	16.2	30.6	22.77	1.496	43.05	451.60	183.89	38.781
	Stream Sinek 1	3	20.7	29.6	24.76	1.95	119.94	316.63	214.44	46.46
	Stream Sinek 2	7	16.2	30.6	21.91	1.87	43.05	451.6	170.80	50.90
S. fahrettini	Overall	17	12.9	26.7	18.59	0.808	25.60	233.75	89.31	12.243
	Stream Tekke	2	20.7	21.8	21.25	0.38	123.89	141.88	132.88	6.36
	Stream Ömertepe	15	12.9	26.7	18.24	0.87	25.6	233.75	83.50	13.14
S. munzuricus	Overall	40	12.7	31.8	21.36	0.805	27.10	441.19	143.01	16.787
	Stream Mengel	4	12.7	23.6	17.62	2.26	27.1	193.96	97.53	35.05
	Munzur Stream	7	17.1	25.3	21.15	1.08	52.2	170.51	110.16	15.80
	Murat River Tributary	15	14	28.3	21.73	1.23	30.87	281.48	146.09	23.86
	Munzur Stream	14	15	31.8	22.14	1.58	37.64	441.19	169.13	36.79
S. murathani	Overall	41	7.3	27.7	16.02	0.836	4.43	296.09	69.69	11.037
	Keklik Stream	18	7.3	27.1	13.9	1.40	4.43	227.12	53.17	16.02
	Arpaçay Stream	23	11.3	27.7	11.3	0.86	16.69	296.09	82.62	14.60

Describing biological parameters of several endemic Salmo species from the Caspian Sea and Persian Gulf basins

Figures & Tables

Figure 1

Figure 2

j_oahs-2025_1_03_tab_004

Information of the studied locations_

The parameters of the length–weight relationships of species with its statistical results, GT with t-test results and CF parameters with SD_

Total length and total weight distribution with their min, max, and mean values and SD_

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