Oxyrrhis marina Dujardin 1859
1.Oxyrrhis marina: a heterotroph (phagotroph) Dinoflagellate. The arrows point to the two flagella which insert ventrally and sometimes are orientated parallel to each other.
2.Oxyrrhis marina: focus plane on the nucleus. The cortex shows a layer of ?trichocysts? or ?scales?. The arrow points to the ventral bulge. O. marina has no contractile vacuole.
3.Oxyrrhis marina: crop of the above image. The arrowheads mark a dense layer of fusiform structures below the outer laye of the cortexr. The oval structures might be trichocysts (Tr). Nu: nucleolus.
4.Oxyrrhis marina: focus plane on the tentacle/ ventral bulge
5.Oxyrrhis marina: another specimen with focus plane on the tentacle/ ventral bulge.
6/7.Oxyrrhis marina: two images from a video showing a specimen which had engulfed a cyanobacterium, presumably a Synechocystis sp., and was trapped by the coverslide.
8.Oxyrrhis marina: The arrow points to the stigma of an engulfed chlorophyte.
9.Oxyrrhis marina: with another prey. The cells of Oxyrrhis marina appear pinkish due to Rhodopsin.
10.Oxyrrhis marina: with a partly digested cyanobacterium.
 
Location: Porspoder, Brittany, France, tide pool
Habitat: plankton
Date: 08.08.2018
 
 
freshwater life
procaryota
algae
plants
protists
"worms"
molluscs
arthropods
marine life
mediterranean
tropical
misc
impresssum
plingfactory