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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 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 .
This species often lives in places where there is abundant duckweed Lemna spp. [13] Water quality that is suitable for Anisus vorticulus is water without turbidity, with a high pH and a low level of nutrients. [1] [13] The main threats to this snail include land drainage, poor habitat management and eutrophication. [13]
The “magnificent ramshorn snail” — larger and rarer than the common ramshorn, of course — hasn’t been seen in the wild in decades. Will endangered species status help this NC snail with ...
Segmentina nitida, the shining ram's-horn snail, is a species of small, air-breathing, freshwater snail, an aquatic gastropod mollusc or micromollusc in the family Planorbidae, the ramshorn snails. Description