Table 6.

Comparative metrical data for metacercariae of Diplostomum spp.

Species	Diplostomum pseudospathaceum		Diplostomum pseudospathaceum		‘Diplostomum mergi Lineage 2’		Diplostomum sp. A	Diplostomum sp. B	Diplostomum sp. C
Host	Multiple hostsa		Cyprinus carpio L.		Multiple hostsb		Blicca bjoerkna (L.)	Carassius gibelio (Bloch)	Rutilus rutilus (L.)
Source	Present study		Niewiadomska [26]		Present study		Present study	Present study	Present study
	Fixed		Fixed		Fixed		Fixed	Fixed	Fixed
Variable	Range (n = 24)	Mean	Range	Mean	Range (n = 18)	Mean	n = 1	n = 1	n = 1
BL	288–447	364	347–458	381	362–485	420	338	426	381
BW	234–301	264	162–296	201	242–338	287	242	304	278
HL	19–19	19	–	–	14–45	26	20	19	16
PSL	40–65	52	–	–	52–68	60	47–52	56–58	61–67
PSW	25–35	30	–	–	31–36	34	–	–	–
OSL	39–56	47	42–52	45.8	41–53	47	37	46	47
OSW	36–53	44	30–51	37.7	34–49	43	44	41	47
PHL	32–45	38	28–35	31.8	30–45	38	30	41	30
PHW	19–25	21	17–30	20.4	19–23	22	20	22	–
VSL	33–53	42	34–42	38.9	40–62	51	51	51	43
VSW	43–56	51	35–51	42.2	49–70	61	64	59	49
AVS	158–243	191	–	–	174–261	208	143	215	174
HOL	68–96	82	62–81	67.5	95–115	104	65	115	–
HOW	79–126	99	54–76	61.7	102–187	136	106	136	–

Abbreviations: BL body length, BW body width, HL hindbody length, PSL pseudosucker length, PSW pseudosucker width, OSL oral sucker length, OSW oral sucker width, PHL pharynx length, PHW pharynx width, VSL ventral sucker length, VSW ventral sucker width, AVS distance from anterior extremity of body to ventral sucker, HOL holdfast organ length, HOW holdfast organ width

^a Abramis brama (L.); Ballerus sapa (Pallas); Blicca bjoerkna (L.); Cyprinus carpio L.; Leuciscus aspius (L.); L. idus (L.); Vimba vimba (L.); Lota lota (L.); Gymnocephalus schraetser (L.)

^b Abramis brama (L.); Alburnus alburnus (L.); Ballerus sapa (Pallas); Blicca bjoerkna (L.); Chondrostoma nasus (L.); Vimba vimba (L.)