Open Access

Table 1

Comparative measurements (μm) of specimens of Demidospermus osteomystax Tavernari, Takemoto, Lacerda & Pavanelli, 2010 from different hosts and localities (n means number of measurements).

Present study n Tavernari et al. (2010) n
Body
 Length 190–445 (325) 10 320–540 (408) 11
 Width 70–115 (87) 10 80–190 (109) 11
Haptor
 Width 73–120 (85) 14 71–108 (85) 9
Pharynx
 Length 18–23 (21) 9 25–34 (29) 5
 Width 18–28 (23) 9 23–30 (26) 5
Male Copulatory Organ
 Length 10–35 (23) 10 29–48 (36) 12
Accessory piece
 Length 20–39 (25) 10 25–38 (30) 12
Ventral Bar 12–62 (32) 12 33–61 (43) 9
Dorsal Bar 18–52 (33) 12 30–50 (41) 9
Ventral Anchor 18–23 (20) 22 23–28 (25) 8
 Base 8–15 (12) 22 14–16 (15) 8
Dorsal Anchor 17–23 (20) 22 21–27 (24) 8
 Base 8–15 (12) 22 11–16 (15) 7
Hooks 14–17 (15) 48 13–15 (14) 10
Host Auchenipterus nuchalis Auchenipterus osteomystax
Locality Tocantins River Upper Paraná River floodplain, Paraná, Brazil

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