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Red ramshorn snail. Most of these snails are of the family Planorbidae, and they include the species Planorbarius corneus.There are two different coloured skin forms: black and red; the latter lack the dark skin pigment melanin and consequently have a bright reddish skin, which is the colour of their blood.
Planorbarius corneus is the largest European species of ramshorn snail (family Planorbidae), with a shell typically measuring 35 millimetres (1.4 in) across when fully-grown. [ 4 ] The 10–17 by 22–40 millimetres (0.39–0.67 by 0.87–1.57 in) coiled shell has between 3 and 4.5 rounded whorls with deep sutures , the last whorl predominating.
Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod molluscs. Unlike most molluscs, the blood of ram's horn snails contains iron-based hemoglobin instead of copper-based hemocyanin . [ 3 ]
The magnificent ramshorn snail is found only in the Lower Cape Fear River basin. It was recently returned to the wild for the first time in decades. A near-extinct NC snail is back in the wild.
Planorbella duryi, common name the Seminole rams-horn, is a species of air-breathing freshwater snail, a pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails. The species is endemic to Florida and is found frequently in home aquariums.
Lower image: Umbilical view; this side is carried uppermost in the living snail. This species, like all planorbids, has a sinistral shell. The width of the shell is 15 – 20 mm. The keel on the periphery of the shell is near the edge closest to the spire side, which is carried downwards in life.
Ramshorn Snails If you’re after another algae eater, look no further than a Ramshorn Snail. These aquatic animals are around one inch in diameter so will thrive in any size aquarium, big or small.
Planorbella magnifica, the magnificent ramshorn, is a species of small, freshwater, air-breathing snail, a pulmonate gastropod mollusc in the family Planorbidae, the ram's horn snails. This species is endemic to the United States .