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USGS · 1000624

Parasites of the recently established round goby (Negobius melanostomus) and tubenose goby (Proterorhinus marmoratus) (Gobiidae) from the St. Clair River and Lake St. Clair, Michigan, USA

Nikolai M. Pronin·Guy W. Fleischer·Darima R. Baldanova·Svetlana V. Pronina
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Abstract

Specimens of the recently established European round goby (Negobius melanostomus Pallas, 1811) and tubenose goby (Proterorhinus marmoratus Pallas, 1811) were collected from different locations in the St. Clair River and Lake St. Clair, USA and were examined for parasites. Parasites were observed in 76% of the round gobies and 35% of the tubenose gobies. Four species of parasites in the gobies occur in the Black Sea watershed. Two of them have been reported in North America for the first time: Sphaeromyxa sevastopoli Naidenova, 1970 and Ichthyocotylurus pileatus (Rudolphi, 1802). Three parasite species found in the gobies are endemic to North America and were most likely obtained locally.

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90° N90° S · 180° W ← longitude → 180° E
Source-reported bounding extent: 42.26511445833756° to 43.030753001428344° latitude; -82.96600341796875° to -82.3150634765625° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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BibTeXRIS

Nikolai M. Pronin, Guy W. Fleischer, Darima R. Baldanova, Svetlana V. Pronina. 1997. Parasites of the recently established round goby (Negobius melanostomus) and tubenose goby (Proterorhinus marmoratus) (Gobiidae) from the St. Clair River and Lake St. Clair, Michigan, USA. https://pubs.usgs.gov/publication/1000624

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USGS2014

Four new species of coccidia (Apicomplexa: Eimeriidae) from Owen Stanley Skinks, Papuascincus stanleyanus (Sauria: Scincidae), from Papua New Guinea

Between September and November 1991, 12 Owen Stanley skinks, Papuascincus stanleyanus (Booulenger) were collected from various localities on Papua New Guinea and examined for coccidians. Six (50%) were found to harbour four eimerians that we describe here as new. Oocysts of Eimeria burseyi sp. n. were elongate to ellipsoidal with a bilayered wall and measured (length x width, L x W) 36.0 x 24.0 microm, with a L/W ratio of 1.5. Both micropyle and oocyst residuum were absent, but a polar granule was present. Oocysts of Eimeria goldbergi sp. n. were ellipsoidal, with a bilayered wall, and measured 21.4 x 16.1 microm; L/W ratio was 1.3. Both micropyle and oocyst residuum were absent, but a single or fragmented polar granule was present. Oocysts of Eimeria boulengeri sp. n. were spheroidal to slightly subspheroidal, with a thin, single-layered wall that readily collapses, and measured 16.0 microm, L/W ratio was 1.0. Both micropyle and oocyst residuum were absent, but usually one (sometimes two) polar granule(s) were present. Oocysts of Eimeria niuginiensis sp. n. were oblong to tapered with a bilayered wall, and measured 20.0 x 13.1 microm; L/W ratio was 1.5. A micropyle, oocyst residuum and polar granule were absent. To our knowledge, these represent the only coccidians ever described from P. stanleyanus.

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