Open Access
Table 1
Summary data of metacercariae, their microhabitat within host, fish hosts, and infection rates reported in the present study.
| TF | Trematode species | Microhabitat | Fish hosts | Infection rates |
|---|---|---|---|---|
| Buc | Bucephalus polymorphus | on eye (sclera/cornea), fins, gills, skin, oesophagus, on liver, on intestinal wall, on urinary bladder, muscles | Acheilognathidae: Rhodeus sericeusm; Cottidae: Cottus gobio; Gobiidae: Neogobius fluviatilis*; Gobionidae: Gobio gobio; Leuciscidae: Abramis brama, Alburnoides bipunctatus, Alburnus alburnus, Blicca bjoerkna, Leuciscus idus, Leuciscus leuciscusm, Phoxinus phoxinusm, Rutilus rutilusm, Squalius cephalus, Vimba vimba; Percidae: Gymnocephalus cernua, Sander luciopercam | P = 19%; I = 1–2000 (74) |
| Rhipidocotyle campanula | in eye, gills, oesophagus, on intestinal wall, on internal organs, muscles | Gobionidae: Pseudorasbora parva*; Leuciscidae: Alburnoides bipunctatus, Blicca bjoerkna, Rutilus rutilus | ||
| Rhipidocotyle fennica | on eye (sclera/cornea), fins, skin, on liver, on kidney, on intestinal wall, muscles | Cyprinidae: Barbus barbus; Gobionidae: Pseudorasbora parva*; Leuciscidae: Alburnus alburnus, Rutilus rutilus, Scardinius erythrophthalmus, Squalius cephalus; Percidae: Perca fluviatilis; Tincidae: Tinca tinca | ||
| Cya | Holostephanus dubinini | fins | Leuciscidae: Leuciscus idus | P = 24%; I = 1–1500 (73) |
| Cyathocotylidae gen. sp. 1 | on eye (sclera/cornea), gills, oesophagus, on heart, on liver, muscles | Cobitidae: Cobitis taenia, Sabanejewia baltica; Gasterosteidae: Pungitius pungitius; Gobiidae: Neogobius fluviatilis*, Neogobius melanostomus* | ||
| Cyathocotylidae gen. sp. 2 | gills, muscles | Cobitidae: Cobitis taenia, Sabanejewia baltica; Gobiidae: Neogobius fluviatilis* | ||
| Cyathocotylidae gen. sp. 3 | gills | Gobiidae: Neogobius fluviatilis* | ||
| Cyathocotylidae gen. sp. 4 | fins, skin, muscles | Leuciscidae: Alburnus alburnus, Scardinius erythrophthalmus | ||
| Cyathocotylidae gen. sp. 5 | on eye (sclera/cornea), in eye, vitreous humour, fins, skin, cranial cavity, brain, on internal organs, muscles | Acheilognathidae: Rhodeus sericeus; Cyprinidae: Barbus barbus; Esocidae: Esox lucius; Gobiidae Neogobius fluviatilis*; Gobionidae: Gobio gobio; Leuciscidae: Abramis brama, Alburnus alburnus, Blicca bjoerkna, Leuciscus idus, Rutilus rutilus, Scardinius erythrophthalmus, Squalius cephalus, Vimba vimba; Nemacheilidae: Barbatula barbatula; Percidae: Sander lucioperca; Tincidae: Tinca tinca | ||
| Cyathocotylidae gen. sp. 6 | muscles | Acheilognathidae: Rhodeus sericeus | ||
| Cyathocotylidae gen. sp. 7 | in eye, vitreous humour, fins, skin, gills, on intestinal wall, on liver, muscles | Cyprinidae: Carassius carassius, Carassius gibelio; Esocidae: Esox lucius; Leuciscidae: Blicca bjoerkna, Leuciscus aspius, Pelecus cultratus, Scardinius erythrophthalmus; Percidae: Perca fluviatilism, Sander lucioperca; Tincidae: Tinca tinca | ||
| Dip | Diplostomum baeri | lens | Leuciscidae: Alburnus alburnus, Rutilus rutilus | P = 46%; I = 1–168 (19) |
| Diplostomum mergi Lineage 2 of Georgieva et al. [23] | lens | Leuciscidae: Abramis brama, Alburnoides bipunctatus, Alburnus alburnus, Blicca bjoerkna, Leuciscus leuciscus, Rutilus rutilus, Vimba vimba | ||
| Diplostomum parviventosum | lens | Leuciscidae: Alburnoides bipunctatus; Gobionidae: Gobio gobio | ||
| Diplostomum pseudospathaceum | lens | Cottidae: Cottus gobio; Cyprinidae: Carassius gibelio; Esocidae: Esox lucius; Gasterosteidae: Gasterosteus aculeatus; Gobiidae: Neogobius fluviatilis*, Neogobius melanostomus*; Gobionidae: Gobio gobio; Ictaluridae: Ameiurus melas*; Leuciscidae: Abramis brama, Alburnoides bipunctatus, Alburnus alburnus, Blicca bjoerkna, Leucaspius delineatus, Leuciscus aspius, | ||
| Leuciscus idus, Leuciscus leuciscus, Scardinius erythrophthalmus, Squalius cephalus; Lotidae: Lota lota; Nemacheilidae: Barbatula barbatula; Percidae: Gymnocephalus cernua, Sander lucioperca; Salmonidae: Coregonus albula, Salmo salar; Siluridae: Silurus glanis; Tincidae: Tinca tinca | ||||
| Diplostomum spathaceum | lens | Alosidae: Alosa fallax; Anguillidae: Anguilla anguilla; Cyprinidae: Barbus barbus, Carassius carassius, Carassius gibelio, Cyprinus carpio; Gasterosteidae: Gasterosteus aculeatus; Gobiidae: Neogobius fluviatilis*, Neogobius melanostomus*; Gobionidae: Gobio gobio, Pseudorasbora parva*; Ictaluridae: Ameiurus melas*; Leuciscidae: Abramis brama, Blicca bjoerkna, Leuciscus aspius, Leuciscus idus, Pelecus cultratus, Rutilus rutilus, Scardinius erythrophthalmus; Lotidae: Lota lota; Osmeridae: Osmerus eperlanus; Percidae: Gymnocephalus cernua, Perca fluviatilis, Sander lucioperca; Pleuronectidae: Platichthys flesus; Siluridae: Silurus glanis | ||
| Diplostomum sp. A of Kudlai et al. [38] | lens | Cyprinidae: Carassius gibelio; Tincidae: Tinca tinca | ||
| Diplostomum sp. C of Kudlai et al. [38] | lens | Leuciscidae: Scardinius erythrophthalmus | ||
| Diplostomum sp. Lineage 3 of Blasco-Costa et al. [5] | vitreous humour, lens | Cottidae: Cottus gobio; Esocidae: Esox lucius Leuciscidae: Alburnus alburnus, Leuciscus idus, Leuciscus leuciscus, Rutilus rutilus, Scardinius erythrophthalmus, Squalius cephalus; Salmonidae: Coregonus albula | ||
| Diplostomum sp. Lineage 4 of Blasco-Costa et al. [5] | retina, lens, vitreous humour | Lotidae: Lota lota; Percidae: Gymnocephalus cernua, Perca fluviatilis | ||
| Diplostomum sp. Lineage 5 of Blasco-Costa et al. [5] | retina | Osmeridae: Osmerus eperlanus; Salmonidae: Coregonus albula | ||
| Diplostomum sp. Lineage 6 of Blasco-Costa et al. [5] | lens, retina | Gasterosteidae: Pungitius pungitius | ||
| Hysteromorpha triloba | muscles, gills | Leuciscidae: Abramis brama, Alburnus alburnus, Blicca bjoerknam, Leuciscus aspiusm, Leuciscus idusm, Rutilus rutilus, Vimba vimbam; Tincidae: Tinca tinca | P = 3.4%; I = 1–164 (18) | |
| Posthodiplostomum brevicaudatum | in eye, vitreous humour | Esocidae: Esox lucius; Leuciscidae: Rutilus rutilus, Scardinius erythrophthalmus; Percidae: Perca fluviatilis | P = 1.2%; I = 1–43 (7) | |
| Posthodiplostomum cuticola | skin, fins, gills, on intestinal wall, muscles | Cobitidae: Cobitis taenia; Cyprinidae: Carassius gibeliom; Gobiidae: Neogobius fluviatilis*; Leuciscidae: Abramis brama, Alburnoides bipunctatus, Alburnus alburnus, Blicca bjoerkna, Leuciscus aspius, Leuciscus idusm, Leuciscus leuciscus, Pelecus cultratusm, Rutilus rutilusm, Scardinius erythrophthalmusm | P = 4.5%; I = 1–33 (5) | |
| Posthodiplostomum scardinii | brain | Leuciscidae: Abramis brama, Leuciscus idus, Scardinius erythrophthalmus, Squalius cephalus | P = 1.4%; I = 1–245 (34) | |
| Tylodelphys clavata | vitreous humour, cranial cavity | Cyprinidae: Carassius gibeliom, Cyprinus carpio; Esocidae: Esox luciusm; Gobiidae: Neogobius fluviatilis*, Neogobius melanostomus*; Leuciscidae: Abramis bramam, Alburnus alburnus, Blicca bjoerkna, Leuciscus aspiusm, Leuciscus idusm, Pelecus cultratusm, Rutilus rutilus, Squalius cephalus, Scardinius erythrophthalmusm, Vimba vimbam; Lotidae: Lota lota; Percidae: Gymnocephalus cernua, Perca fluviatilis, Sander lucioperca; Pleuronectidae: Platichthys flesusm; Salmonidae: Coregonus albulam; Tincidae: Tinca tinca | ||
| Tylodelphys podicipina | vitreous humour, cranial cavity | Leuciscidae: Rutilus rutilusm; Lotidae: Lota lota; Percidae: Gymnocephalus cernua, Perca fluviatilism | P = 17% ; I = 1–155 (22) | |
| Tylodelphys sp. | vitreous humour | Gobionidae: Pseudorasbora parva*; Salmonidae: Salmo salar | ||
| Ech | Echinochasmus sp. 1 | gills | Percidae: Perca fluviatilis | P = 0.2%; I = 1–3 (2) |
| Echi | Echinoparyphium sp. 2 | kidney | Cobitidae: Cobitis taenia, Sabanejewia baltica | P = 1.8%; I = 1–109 (24) |
| Petasiger phalacrocoracis | gills | Cobitidae: Cobitis taenia; Tincidae: Tinca tinca | P = 0.4%; I = 1 | |
| Petasiger radiatus | on eye (sclera/cornea) | Cyprinidae: Carassius gibelio | P = 0.1%; I = 1 | |
| Het | Apophallus donicus | skin, fins, gills, in eye, brain, in heart | Cottidae: Cottus gobio; Esocidae: Esox lucius; Percidae: Gymnocephalus cernua, Perca fluviatilis, Sander lucioperca | P = 18%; I = 1–3174 (178) |
| Apophallus muehlingi | skin, fins, in eye, lens, muscles | Gobionidae: Gobio gobio; Leuciscidae: Alburnoides bipunctatus, Alburnus alburnus, Blicca bjoerkna, Scardinius erythrophthalmus, Vimba vimba | ||
| Apophallus sp. | skin, fins, gills, on eye (sclera/cornea), in eye, vitreous humour, muscles | Cyprinidae: Barbus barbus, Carassius gibelio; Esocidae: Esox lucius; Cobitidae: Sabanejewia balticam; Gobiidae: Neogobius fluviatilis*; Gobionidae: Gobio gobio; Leuciscidae: Abramis brama, Leuciscus leuciscus, Pelecus cultratus, Phoxinus phoxinus, Rutilus rutilus, Scardinius erythrophthalmus, Squalius cephalus; Lotidae: Lota lota; Nemacheilidae: Barbatula barbatula; Salmonidae: Salmo trutta; Siluridae: Silurus glanis; Tincidae: Tinca tinca | ||
| Opi | Metorchis bilis | fins | Leuciscidae: Leuciscus idus | P = 0.9%; I = 1–50 (12) |
| Metorchis sp. 1 | on internal organs, muscles | Cobitidae: Cobitis taenia, Sabanejewia baltica | ||
| Metorchis sp. 2 | on eye (sclera/cornea), muscles | Leuciscidae: Rutilus rutilus; Tincidae: Tinca tinca | ||
| Str | Apatemon gracilis | in eye, on intestinal wall | Nemacheilidae: Barbatula barbatula; Percidae: Perca fluviatilis | P = 16%; I = 1–600 (24) |
| Apatemon sp. 7 | gills, brain, on heart and intestinal wall | Gobiidae: Neogobius fluviatilis* | ||
| Apatemon sp. 8 | in eye | Gobiidae: Neogobius fluviatilis*, Neogobius melanostomus* | ||
| Ichthyocotylurus sp. 2 | muscles, brain, on eye, on gills and internal organs (kidney, gonads, swim bladder) | Percidae: Gymnocephalus cernua, Perca fluviatilis, Sander lucioperca | ||
| Ichthyocotylurus sp. 4 | on internal organs (heart, intestinal wall) | Leuciscidae: Abramis brama, Alburnus alburnusm, Blicca bjoerkna, Leuciscus aspius, Pelecus cultratus, Scardinius erythrophthalmus, Vimba vimba; Percidae: Sander lucioperca | ||
| Ichthyocotylurus sp. 5 | on internal organs (heart, liver, intestinal wall) | Gobionidae: Gobio gobio; Esocidae: Esox lucius; Leuciscidae: Leuciscus idus; Percidae: Gymnocephalus cernua, Sander lucioperca; Pleuronectidae: Platichthys flesus | ||
| Ichthyocotylurus sp. 6 | on internal organs | Osmeridae: Osmerus eperlanus | ||
| Ichthyocotylurus sp. 7 | on internal organs (heart, urinary bladder, intestinal wall) | Percidae: Perca fluviatilis | ||
| Ichthyocotylurus sp. 8 | on internal organs (heart) | Salmonidae: Coregonus albula | ||
| Ichthyocotylurus sp. 9 | on internal organs (intestinal wall) | Esocidae: Esox lucius | ||
| Strigeidae gen. sp. 1 | on internal organs (intestinal wall) | Cyprinidae: Carassius carassius, Carassius gibelio, Cyprinus carpio | ||
| Strigeidae gen. sp. 2 | muscles | Leuciscidae: Leucaspius delineatus |
Abbreviations: TF, trematode family; Buc, Bucephalidae; Cya, Cyathocotylidae; Dip, Diplostomidae; Ech, Echinochasmidae; Echi, Echinostomatidae; Het, Heterophyidae; Opi, Opisthorchiidae; Str, Strigeidae.
Fish species without superscript were molecularly confirmed as host for corresponding species of trematode metacercariae.
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