Pomacea (effusa)
glauca (Linné, 1758)
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Synonym (obsolete): Ampularia cuprina (Reeve, 1856)
Shell from underside. Note that the shell is very wide and less high. (picture not licenced under creative commons) |
Shell, back view. Visible are the indented sutures. (picture not licenced under creative commons) |
Live specimen, eating lettuce (snail from Venezuela). (picture not licenced under creative commons) |
Pomacea glauca. (picture not licenced under creative commons) |
Pomacea glauca. (picture not licenced under creative commons) |
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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