Investigation of Ichthyophthirius multifiliis infection in fish from natural water bodies in the Lhasa and Nagqu regions of Tibet Author Qin, Tian Tibet University, Lhasa 850000, Tibet, China & State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Hu, Guangran State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Cheng, Jiangwen State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Chen, Fanglin Tibet University, Lhasa 850000, Tibet, China & State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Fu, Peipei State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Zhao, Weishan State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Bu, Xialian State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Cheng, Houda State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Zou, Hong State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Li, Wenxiang State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Wu, Shangong State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Wang, Guitang State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, Author Li, Ming State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, Institute of Hydrobiology, liming@ihb.ac.cn text International Journal for Parasitology: Parasites and Wildlife 2024 2024-04-30 23 100894 100894 http://dx.doi.org/10.1016/j.ijppaw.2023.100894 journal article 294522 10.1016/j.ijppaw.2023.100894 518f26b9-7183-4f62-9ed3-3fcc797a1ce0 2213-2244 PMC10767491 38187442 10933796

Table 1 Freshwater fish species recorded in the Lahsa River basin and Nagqu regions, Tibet, and the number of fish infected with Ichthyophthirius multifiliis.

Family	Species	Number	Number	Prevalence	Mean length (mm)	Mean weight (g)	Species authority
		collected	infected	(%)
Cobitidae	Misgurnus	23	0	–	84.0 (31.0–150.0)	4.6 (0.3–27.9)	Cantor, 1842
anguillicaudatus
	Paramisgurnus dabryanus	20	0	–	106.4	12.1 (10.9–13.2)	Sauvage, 1878
					(104.3–108.5)
Cyprinidae	Carassius auratus	192	0	–	85.2 (34.0–219.2)	20.7 (1.2–134.5)	Linnaeus, 1758
	Cyprinus carpio	7	0	–	189.0	356.5 (32.8–2086.7)	Linnaeus, 1758
					(100.0–420.0)
	Ptychobarbus dipogon	6	0	–	355.7	422.6 (395.1–454.3)	Regan, 1905
					(343.0–366.0)
	Pseudorasbora parva	29	0	–	60.1 (28.0–85.1)	4.5 (0.2–68.3)	Temminck and Schlegel,
							1846
	Schizothorax macropogon	19	0	–	421.0	1280.7	Regan, 1905
					(415.0–427.0)	(1088.0–1473.4)
	Schizothorax oconnori	19	0	–	376.4	798.7 (219.5–1533.6)	Lloyd, 1908
					(277.0–489.0)
	Schizothorax waltoni	22	0	–	389.8	948.4 (4.1–1288.1)	Regan, 1905
					(64.0–511.0)
	Schizopygopsis thermalis	131	31	23.66	279.6	329.4 (0.3–1055.0)	Herzenstein, 1891
					(28.0–554.0)
	Schizopygopsis	166	56	33.73	307.0	322.6 (78.9–777.0)	Chen & Cao, 2000
	selincuoensis				(161.0–460.0)
	Schizopygopsis	78	10	12.82	108.5	42.2 (0.5–485.4)	Regan, 1905
	younghusbandi				(37.0–342.0)
Nemacheilidae	Triplophysa brevicauda	43	12	27.91	65.5 (28.0–139.0)	4.4 (0.3–21.3)	Herzenstein, 1888
	Triplophysa tibetana	20	6	30.00	89.9 (40.0–163.0)	8.0 (0.4–41.7)	Regan, 1905
	Triplophysa orientalis	52	1	1.92	73.9 (29.0–122.0)	4.8 (0.4–16.3)	Herzenstein, 1888
	Triplophysa stenura	5	1	20.00	58.0 (33.0–91.0)	1.6 (0.5–4.4)	Herzenstein, 1888
	Triplophysa stewartii	13	0	–	69.9 (47.0–101.0)	3.9 (0.8–8.5)	Hora, 1922
	Triplophysa stoliczkae	8	0	–	89.3 (42.0–136.0)	6.7 (0.8–18.7)	Steindachner,1866
Siluridae	Silurus asotus	13	0	–	217.1	75.6 (32.0–128.9)	Linnaeus, 1758
					(149.2–256.0)