A member asked:

How much blood willleeches suck away after just 5 minutes?

A doctor has provided 1 answer

Estimate: <1 tsp: Leeches (european specie hirudo medicinalis) can consume between 5 and 15 ml of blood – 4-6 times their body weight in a single feeding. An american specie macrobdella decora can consume 10 times less blood than hirudo medicinalis.

Answered 12/9/2013

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