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leech
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European medicinal leech (Hirudo medicinalis). Head of the giant Amazon leech (Haementeria ghilianii). The retractable proboscis is used to pierce the skin and suck blood from the host. anatomy of the European medicinal leech medicinal leech
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European medicinal leech (Hirudo medicinalis).
leech summary
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Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
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European medicinal leech (Hirudo medicinalis).
European medicinal leech (Hirudo medicinalis).

leech

annelid
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Also known as: Hirudinea
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leech, (subclass Hirudinea), any of about 650 species of segmented worms (phylum Annelida) characterized by a small sucker, which contains the mouth, at the anterior end of the body and a large sucker located at the posterior end. All leeches have 34 body segments. The length of the body ranges from minute to about 20 cm (8 inches) or even longer when the animal stretches. Leeches occur primarily in fresh water and on land. Members...

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