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Table 1 Morphometric characteristics of Phyllodistomum thunni from its type host, Thunnus albacares, and from the new host, Macrodon ancylodon

From: New host and geographic distribution of Phyllodistomum thunni (Trematoda, Gorgoderidae)

Character Thunnus albacares a Macrodon ancylodon
Range Mean Range Mean
Lenght 15.1–28.0 21.5 8.96–25.04 17.46
Width 2.5–6.8 4.6 0.54–2.49 1.73
Esophagus 0.2–0.4 0.3 0.11–0.36 0.18
Oral sucker (length) 0.8–1.4 1.1 0.36–0.73 0.60
Oral sucker (width) 0.8–1.3 1.05 0.22–0.61 0.50
Ventral sucker (length) 0.8–1.4 1.1 0.32–0.75 0.54
Ventral sucker (width) 0.7–1.3 1.0 0.27–0.63 0.47
Ovary (length) 0.6–1.0 0.8 0.21–0.47 0.36
Ovary (width) 0.4–0.7 0.8 0.12–0.28 0.22
Left testicle (length) 0.7–1.4 1.05 0.23–0.73 0.48
Left testicle (width) 0.4–1.2 0.8 0.11–0.39 0.25
Right testicle (length) 0.8–1.9 1.4 0.31–0.73 0.62
Right testicule (width) 0.5–1.2 0.8 0.12–0.44 0.28
Egg (length) 42–50 33.5 40–50 42.5
Egg (width) 25–28 39 20–30 22.5
  1. aAdapted from Baudin-Laurencin and Richard (1973)