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The Glossiphoniidae, the freshwater jawless leeches, [citation needed] or leaf leeches (due to their shape) [11] are freshwater leeches, flattened, and with a poorly defined anterior sucker. [2] The family Glossiphoniidae contains one of the world's largest species of leech, the giant Amazon leech , which can grow up to 45 cm in length. [ 12 ]
The majority of freshwater leeches are found in the shallow, vegetated areas on the edges of ponds, lakes and slow-moving streams; very few species tolerate fast-flowing water. In their preferred habitats, they may occur in very high densities; in a favourable environment with water high in organic pollutants, over 10,000 individuals were ...
Haementeria ghilianii is a species of leech in the Glossiphoniidae family, comprising freshwater proboscis-bearing leeches. Colloquially, they are known as the Amazon giant leech. Following its initial description in 1849, additional details were provided based on specimens from French Guiana in 1899, after which the species was largely ...
Some of the leeches in this family have external gills, outgrowths of the body wall projecting laterally, the only group of leeches to exchange gases in this way. [ 3 ] Worldwide, around 60 genera and 100 species of leeches are in this family, all parasitic on the blood of marine, estuarine, and freshwater fishes.
"The medicinal leech is one of our most threatened freshwater species. It’s also very misunderstood,” said ecologist Dr Naomi Ewald, from the Freshwater Habitats Trust, a conservation charity ...
Haemopis sanguisuga is a freshwater leech and is found across most of Europe [1] [4] as well as in Asia. [6] Typical habitats are in shallow parts of lakes, ponds, ditches and slow-moving rivers. It may emerge onto the land, hiding under stones, and it tolerates slightly brackish water. [4] It can be found as far as 30 metres away from water.
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.
E. octoculata is one of the most common freshwater leeches in Europe with documentation in over 20 countries. [7] [8] This species has been shown to be more abundant in fast moving streams and rivers with rocky bottoms than other leech species. [9] [10] E. octoculata prefers acidic bodies of water with low nutrient content. [10]