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Table 2 Morphometric measurements (range followed by the mean, in parentheses, all in μm) for specimens of Gyrodactylus salaris and G. truttae analysed in this study

From: Infections with Gyrodactylus spp. (Monogenea) in Romanian fish farms: Gyrodactylus salaris Malmberg, 1957 extends its range

Structure G. salaris ex Oncorhynchus mykiss G. salaris ex Salvelinus fontinalis G. salaris ex Salmo trutta G. truttae ex Salvelinus fontinalis G. truttae ex Salmo trutta
  (n = 20) (n = 19) (n = 4) (n = 1) (n = 4)
Hamulus total length (HTL) 68.0–78.5 (73.8) 66.9–75.8 (73.2) 73.8–77.2 (75.3) 65.1 65.3–66.0 (65.7)
Hamulus shaft length (HSL) 44.8–50.1 (47.6) 43.8 – 52.0 (48.2) 45.5–49.4 (47.0) 42.0 41.1–42.4 (41.7)
Hamulus point length (HPL) 31.8–42.6 (37.8) 35.0–41.1 (38.0) 37.4–38.1 (37.6) 33.4 33.4–34.2 (33.7)
Hamulus root length (HRL) 25.5–30.4 (27.6) 23.1–29.9 (26.8) 27.8–28.7 (28.3) 21.3 21.2–22.5 (21.8)
Ventral bar total length (VBTL) 26.3–35.1 (31.3) 27.8–33.9 (31.2) 30.8–34.1 (31.7) 31.0 26.8–29.6 (28.1)
Ventral bar membrane length (VBMBL) 13.7–21.8 (17.6) 14.4–23.9 (17.5) 15.6–18.8 (17.2) 19.2 15.1–18.0 (16.4)
Ventral bar total width (VBTW) 26.6–36.0 (31.5) 27.7–35.3 (32.1) 30.0–32.5 (31.0) 31.7 28.5–32.5 (30.8)
Ventral bar median length (VBML) 8.1–13.3 (10.1) 6.5–13.6 (10.5) 8.5–13.6 (10.3) 9.2 8.5 – 10.6 (9.1)
Marginal hook total length (MHTL) 37.8–43.6 (40.4) 36.9–43.8 (40.4)a 38.3–41.0 (39.8) 29.4 30.0–30.7 (30.3)
Marginal hook shaft length (MHSHL) 30.5–35.7 (32.7) 29.0–36.1 (33.0)a 31.6–33.6 (32.5) 24.7 23.9–24.5 (24.1)
Marginal hook sickle length (MHSL) 7.3 – 8.5 (8.0) 7.2–8.7 (8.0) 7.7–8.1 (8.0) 6.6 6.4–6.7 (6.6)
  1. a Marginal hook total length (MHTL) and Marginal hook sickle length (MHSL) only available from 17 specimens