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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 ]
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. These leeches are less common in ...
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.
Glossiphoniidae are a family of freshwater proboscis-bearing leeches. These leeches are generally flattened, and have a poorly defined anterior sucker . Most suck the blood of freshwater vertebrates like amphibians , crocodilians and aquatic turtles , but some feed on invertebrates like oligochaetes and freshwater snails instead.
Barbronia weberi grows to a body length of about 2.5 to 3 cm (1.0 to 1.2 in), with individuals becoming sexually mature from a length of about 1.4 cm (0.6 in). The body is about 1.9 mm (0.07 in) wide and the rear suction cup has a diameter of approximately 1.5 mm (0.06 in).
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 ...
A rare breed of blood-sucking leech is being bred at London Zoo in a bid to save the UK’s largest native leech species from extinction. The medicinal leech was once widespread in Britain, but ...
The leech sometimes emerges from the water to hunt for earthworms. [4] [7] Like other leeches, Haemopis sanguisuga is a hermaphrodite. The testes mature first and the ovaries later in the organism's life. A pair of leeches will line up with the clitellar regions in contact, and sperm is passes by the one acting as male to the female gonopore.