Leech - Wikipedia
Leeches can detect touch, vibration, movement of nearby objects, and chemicals secreted by their hosts; freshwater leeches crawl or swim towards a potential host standing in their pond within a few seconds.
Freshwater Leeches - Identification and Ecology - Field Studies …
2022年10月26日 · Leech identification can occur when the specimen is live, with many species able to be identified in the field with just a hand lens. However, a microscope can be useful for some species, and live leeches can be temporarily immobilised in soda water for 10-15 minutes to make microscope work easier (Elliott and Dobson, 2015).
Freshwater Leech | Mountain Lake Biological Station, U.Va.
2010年6月21日 · Leeches are a fairly common resident of the Mountain Lake pond. They are annelids (segmented worms), and can be found in most fresh water ponds and lakes. They are hermaphrodites, like most annelids. All leeches’ bodies are composed of 34 segments. The first six segments make up the oral sucker, which is used to attach to a host for feeding.
Rhynchobdellida - Wikipedia
Rhynchobdellida (from the Greek rhynchos, mouth, and bdellein, sucking), [1] the jawless leeches [citation needed] or freshwater leeches, [2] are an order of aquatic leeches. [3] [4] Despite the common name "freshwater leeches", species are found in both sea and fresh
Leeches in the extreme: Morphological, physiological, and …
With more than 700 described species, leeches include morphological, physiological, and behavioral diversity and occur in terrestrial and aquatic habitats, including freshwater, estuarine, and marine ecosystems. Leeches inhabit a number of extreme environments, including extremes in temperature, moisture, salinity, pressure, light, and pollution.
Leeches are found in a variety of freshwater aquatic environments, including lakes, ponds, marshes, springs and slow streams. They are generally found in the area between the water’s edge and two meters depth, and prefer areas protected from wave action.
Classification and Checklist of Leeches (Phylum Annelida: Class ...
Freshwater leeches (segmented worms) are important components of benthic communities in nearly every freshwater ecosystem. They are widely distributed, and some groups are found in great abundance. Several of the hirudinidan groups have been used for monitoring and detecting changes in water quality and physical habitats.
水蛭 - 《中国大百科全书》第三版网络版
2022年12月23日 · 生活在水中的蚂蟥的统称。 又称水蚂蟥。
Freshwater leeches are carnivorous predators that feed on small invertebrates like Worms, Snails , and Insect Larvae. They are also known for eating amphibian and fish eggs as well. Leeches can also be fed blood (rabbit, cow, or sheep). Put some blood in a Petri dish inside of a pan and introduce the leech to the pan.
Leech: Habitat, Locomotion and Life History | Zoology
The leech, Hirudinaria, is a segmented worm inhabiting freshwater tanks, ponds and shallow weedy lakes. They grow abundantly in swamps and pools near paddy fields, where they can easily suck blood from the bare-footed farmers as well as from the cattle.