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Erpobdella obscura is a freshwater ribbon leech common in North America. It is a relatively large leech and is commonly used as bait by anglers for walleye and other sport fish. In Minnesota , live bait dealers annually harvest over 45,000 kg of bait-leeches, raising concerns of over-harvest.
The species of this genus are found in Europe and Northern America. [1] The World Register of Marine Species accepts one species within Cystobranchus. [ 2 ] Cystobranchus is also known as a leech, and it is a freshwater leech, usually found in revisers, streams, lakes, and ponds across North America.
Philobdella floridana is a species of leech that lives in the most southern parts of the United States. It is known only from Lake Okeechobee in Florida , and is probably conspecific with Philobdella gracilis .
Erpobdella punctata is a widespread species in North America. It occurs in Alaska, Canada, and much of the United States, as far south as Mexico. It occurs in both ponds and streams, and there is evidence of a notable migration upstream in the spring. However, there is a high level of mortality in some stream habitats which tend to run dry in ...
Listen and subscribe to our podcast: Apple Podcasts | Spotify WALKER, Minn. — Minnesota's third-largest lake has a namesake only an angler could love: the leech. Earthworm's ugly aquatic cousin.
Philobdella [1] is a genus of Nearctic leeches belonging to the family Macrobdellidae. [2] Species. ITIS includes the following: [3] Philobdella floridana (Verrill ...
Macrobdella decora is a medium-sized leech, growing between 5 and 8.5 cm (2.0 and 3.3 in) long, and weighing from 1.48 to 3.69 grams (0.052 to 0.130 oz). [1]: 67 [2]: 155 It has a dark green, brown or olive-green back with a line of 20 or so small orange or red dots down the middle, and two corresponding sets of black dots on its sides.
In ancient Greece, bloodletting was practised according to the theory of humours found in the Hippocratic Corpus of the fifth century BC, which maintained that health depended on a balance of the four humours: blood, phlegm, black bile and yellow bile. Bloodletting using leeches enabled physicians to restore balance if they considered blood was ...