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Orden CyclopoidaAutor
sollarDescripción
Cyclopoida hatching from eggs. 160x, 640x
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closterium_mysteriumDescripción
A water sample was taken from the shore of Srednerogatsky Pond. The air temperature was 14°C (57.2 °F). The sample was stored at room temperature and observed 6 days after collection.
Video: https://youtu.be/0ogqKNsWGW0
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Género EucyclopsAutor
davidenriqueDescripción
Found in water at the edge of a lake. The water is tannin-rich (it's quite dark). Associated plants include white water lilies (Nymphaea odorata), Drosera intermedia and Utricularia species.
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shelley_bDescripción
Found in water sample collected from pond margin. Photos taken using a Foldscope microscope; the aperture measures a little under 1 mm.
Eggs hatched during ten hour span between photo sessions.
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louis_raginwulfDescripción
Vidéo de l'observation :
https://youtu.be/fve2dOtSKUQ
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iteeyshifDescripción
Copepod from freshwater pond. Shown attacking a nematode (3rd image). The nematode was abandoned after being 'chewed up' (4th image).
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jhbrattonDescripción
From a shallow seasonal pool under willows. It keys to Cyclops using Gurney's 1933 book. Very fine comb of tiny hairs on the final antennule segments. Has some characters of strenuus and some of vicinus: furcae about 4x as long as wide and somites 4 and 5 not expanded would fit strenuus. Spermatophores were handlebar moustache pattern, as in Gurney's fig. 1520. But leg spine formula is 2 3 ? 3 (I didn't look at leg 3), and inner apical seta on furca is more than 2x length of outer, which fit vicinus.
