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Fig. 3 in Alien freshwater fish parasites from South Africa: Diversity, distribution, status and the way forward

Fig. 3. Maps indicating the South African distribution records for (A) Atractolytocestus huronensis Anthony, 1958; (B) Acolpenteron ureteroecetes Fischthal and Allison, 1940; (C) Dactylogyrus extensus Mueller and Van Cleave, 1932, Dactylogyrus minutus Kulwiec, 1927 and Dactylogyrus lamellatus Achmerow, 1952; (D) Gyrodactylus kherulensis Ergens, 1974.

Fig. 2 in Enigmatic decline of a common fish parasite (Diplostomum spp.) in the St. Lawrence River: Evidence for a dilution effect induced by the invasive round goby

Fig. 2. Variation in Diplostomum spp. mean abundance over years in Lake St. Francis (LSF-1) in (A) one-year old yellow perch (Perca flavescens) and (B) one-year old golden shiner. Data are expressed as mean number of metacercariae of the genus Diplostomum per fish including uninfected ones ± SEM. Significant differences among years within each locality are indicated by different letters above histograms. Black fish silhouettes within graph panels illustrate the occurrence of the invasive round goby among the fish captured at that site. See Fig. 3 for site location.

Fig. 1 in Alien freshwater fish parasites from South Africa: Diversity, distribution, status and the way forward

Fig. 1. Maps indicating the South African distribution records for (A) Ichthyophthirius multifiliis Fouquet, 1876; (B) Apiosoma piscicola (Blanchard, 1885); (C) Chilodonella hexasticha (Kiernik, 1909) and Chilodonella piscicola (Zacharias, 1894); (D) Schyzocotyle (Bothriocephalus) acheilognathi (Yamaguti, 1934).

Fig. 1 in Enigmatic decline of a common fish parasite (Diplostomum spp.) in the St. Lawrence River: Evidence for a dilution effect induced by the invasive round goby

Fig. 1. Temporal changes in the mean abundance of Diplostomum spp. in spottail shiners (Notropis hudsonius) (green circle) and round gobies (Neogobius melanostomus) (black square) at two sites in the St. Lawrence River. Data are expressed as mean numbers of metacercariae of Diplostomum spp. per fish including uninfected ones ± SEM. Significant differences among years within each locality are indicated by different lower-case letters (round gobies) and upper-case letters (spottail shiners). Arrows within graph panels point to year of first sighting of the invasive round goby at each site. On the background map, sampling sites (̂Ilet Vert = IVT, ̂Iles de la Paix = IPA) are identified and the host species examined are represented by different fish silhouettes (green = spottail shiners, black = round gobies). Bird silhouettes indicate where main colonies of ring-billed gulls are localized: 2 = Beauharnois; 3 = ̂ILe Deslauriers. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

Fig. 2 in Alien freshwater fish parasites from South Africa: Diversity, distribution, status and the way forward

Fig. 2. Maps indicating the South African distribution records for (A) Lernaea cyprinacea Linnaeus, 1758; (B) Argulus japonicus Thiele, 1900; (C) Ichthyobodo necator Henneguy, 1883 (needs molecular confirmation); (D) Trichodina acuta Lom, 1961, Trichodina mutabilis Kazubski and Migala, 1968, Trichodina reticulata Hirschmann and Partsch, 1955, and Trichodina uniforma Van As and Basson, 1989.

Fig. 6 in Enigmatic decline of a common fish parasite (Diplostomum spp.) in the St. Lawrence River: Evidence for a dilution effect induced by the invasive round goby

Fig. 6. Potential mechanisms to explain the observed sharp decline of Diplostomum spp. infection in fish in the St. Lawrence River. Those involving a dilution effect induced by the exotic round goby (Neogobius melanostomus) appears in pale red rectangles with rounded corners. Other biotic or abiotic factors are displayed in blue rectangles. Gastropod illustration, representing lymnaeid snails, is a graphic art by Tracey Saxby, provided by the Integration and Application Network (IAN), University of Maryland Center for Environmental Science (www.ian.umces.edu/imagelibrary). The bird image, used to illustrate a ring-billed gull (Larus delawarensis), is a public domain clipart downloaded from www. openclipart.org. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

Fig. 3 in Understanding growth relationships of African cymothoid fish parasitic isopods using specimens from museum and field collections

Fig. 3. The relationship between cymothoid size and host size for female and male parasites by parasite species.

Fig. 3 in Molecular insights into the identification and phylogenetics of the cosmopolitan marine fish blood parasite, Haemogregarina bigemina (Adeleorina: Haemogregarinidae)

Fig. 3. Phylogenetic identification of Haemogregarina bigemina from the UK based on 18S rDNA sequences. (a) Maximum parsimony and (b) Maximum likelihood reconstructions revealing the unique position of UK H. bigemina samples outside of the adeleorine groups. For both phylogenies nodal support was calculated using 1000 bootstrap replicates with only values> 50% presented.

Fig. 1 in Molecular insights into the identification and phylogenetics of the cosmopolitan marine fish blood parasite, Haemogregarina bigemina (Adeleorina: Haemogregarinidae)

Fig. 1. Photograph of the fish host Lipophrys pholis, one of the type hosts of Haemogregarina bigemina, screened in this study.

Fig. 2 in Understanding growth relationships of African cymothoid fish parasitic isopods using specimens from museum and field collections

Fig. 2. The total number, mean number and standard deviation of parasites collected from the South African Institute for Aquatic Biodiversity and fieldwork, respectively. J = juvenile, M = male, F = female. Attachment type indicated as: B = buccal, T = tongue, P = palate, G = gill.

Fig. 2 in Molecular insights into the identification and phylogenetics of the cosmopolitan marine fish blood parasite, Haemogregarina bigemina (Adeleorina: Haemogregarinidae)

Fig. 2. Stages of Haemogregarina bigemina from Giemsa-stained blood films of Lipophrys pholis from the UK. (a) trophozoite, (b) meront, (c–e) dividing meronts, and (f) paired gamonts. Scale bar = 10 μm.

Fig. 1 in Understanding growth relationships of African cymothoid fish parasitic isopods using specimens from museum and field collections

Fig. 1. Isopods preserved along with their fish hosts from the South African Institute for Aquatic Biodiversity (SAIAB). A. Ceratothoa famosa Hadfield, Bruce & Smit, 2014 in the mouth of Diplodus capensis (Smith, 1844); B. Mothocya affinis Hadfield, Bruce & Smit, 2015 in the gills of Hyporhamphus affinis (Günther, 1866); C. Cymothoa sodwana Hadfield, Bruce & Smit, 2013 in the mouth of Trachinotus botla (Shaw, 1803).

Fig. 4 in Understanding growth relationships of African cymothoid fish parasitic isopods using specimens from museum and field collections

Fig. 4. The relationship between cymothoid size and host size for juvenile parasites by parasite species.

opencc-by-4.0Dec 2019View details →

Fig. 3 in New records of Colobomatus mylionus Fukui, 1965 and Clavellisa chinensis (Yü, 1933) (Crustacea: Copepoda) parasitic on marine fish of Korea

Fig. 3. Clavellisa chinensis (Yü, 1933), adult female. A. habitus, dorsal view. B. habitus, lateral view. C. antennule. D. antenna. E. mandible. F. maxillule. G. maxilliped. Scale bars: A, B = 500 μm; C, D, G = 200 μm; E, F = 100 μm.

opencc-by-4.0Sep 2016View details →

Figures 1-8 in A new species of Diaphorocleidus (Monogenea: Ancyrocephalinae) from the gills of Argonectes robertsi (Characiformes) and new records of dactylogyrids parasitic on fishes from the Xingu River, Amazon Basin, Brazil

Figures 1-8. Diaphorocleidus altamirensis sp. nov.: (1) whole mount (composite, ventral view); (2) ventral anchor; (3) dorsal anchor; (4) ventral bar; (5) dorsal bar; (6) hook (pair 2); (7) hook, pair 5; (8) copulatory complex (dorsal). Scale bars: 1 = 100 µm, 2-5 = 25 µm, 6-7 = 10 µm, 8 = 20 µm.

opencc-by-4.0Aug 2015View details →

Figure 6 in Intensity and prevalence of some crustacean fish parasites in Turkey and their molecular identification

Figure 6. Livoneca punctata on gill of Alosa immaculata (A), manca (B, D), adult female L. punctata and its juvenile manca (C).

opencc-by-4.0Aug 2015View details →

Figure 5 in Intensity and prevalence of some crustacean fish parasites in Turkey and their molecular identification

Figure 5. Infestation of Nerocila spp. on Platichthys flesus (A) and infestation of Nerocila bivittata on Pegusa nasuta (B), mechanic injury on caudal peduncle of sole (C), clear lesions on caudal fin of sea bass (D. labrax) (D).

opencc-by-4.0Apr 2020View details →

Fig. 1 in Diversity of helminth parasites of eight siluriform fishes from the Aguapeí River, upper Paraná basin, São Paulo state, Brazil

Fig. 1. Map of the study area. Black dots represent the sampling location in the mouth of the Aguapeí River, Upper Paraná River basin, at the border of São Paulo and Mato Grosso do Sul States, Brazil.

opencc-by-4.0Aug 2020View details →

Fig. 1 in Stable isotope analysis spills the beans about spatial variance in trophic structure in a fish host - parasite system from the Vaal River System, South Africa

Fig. 1. Map of the Vaal River showing the position of sampling sites (I: below Grootdraai Dam; II: Vaal Dam; III: below Vaal River Barrage; IV: Bloemhof Dam; V: below Vaalharts Weir; VI: Douglas Weir) along the Vaal River. The block (B) indicates the position of the Vaal River within South Africa and insert A indicates the position of South Africa shaded on the African continent.