Pomacea (effusa) glauca (Linné, 1758)

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Synonym (obsolete): Ampularia cuprina (Reeve, 1856)

From underside
Shell from underside.
Note that the shell is very wide and less high.
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From top
Shell, back view.
Visible are the indented sutures.
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From underside
Live specimen, eating lettuce (snail from Venezuela).
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Pomacea glauca
Pomacea glauca.
(picture not licenced under creative commons)
Pomacea glauca
Pomacea glauca.
(picture not licenced under creative commons)
Pomacea glauca
Pomacea glauca.
(picture not licenced under creative commons)

Shell: The shell is relatively thick and the 4 to 5 whorls are seperated with indented sutures. The shell opening is round shell and the umbilicus is very wide and deep umbilicus. The shells is wide and has a with low spire. The lip is somewhat thickened.
The colour of the shell varies from yellow, olive-green to brown, as well does the banind pattern varies from obscurely banded to broad, dark brown to red-brown spiral bands. The lip is white with some faint reddish streaks, sometimes slightly yellow.
Operculum:
Body: Light grey to brown, with black pigment on the upside of the body.
Eggs: Green colour.

Food: These snails eat almost all plants with a few exceptions like Java fern; they eat nearly no green algae. This snail is only suited for aquaria without vegetation (at least no vegetation you don't want to have eaten by snails).
Behaviour: amphibious animal; submerged during the day, hidden in the vegetation near the border and the surface. More active during the night, also regularly leaves the water in search for fresh vegetation and other food. 
Distribution:
Bolivia, Venezuela, Trinidad, Suriname, Guadeloupe, French Guiana, British Guiana and north-west Brasil.

 

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