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Leeches are hermaphrodites, and mating may take place on or off the fish host, but in either case, the cocoon, usually containing a single egg, is deposited elsewhere, usually stuck to a stone or piece of vegetation, or even to the carapace of a crustacean. When the egg hatches, the juvenile leech has about a week to find a suitable fish host ...
Blood-sucking leeches use their anterior suckers to connect to hosts for feeding. Once attached, they use a combination of mucus and suction to stay in place while they inject hirudin into the hosts' blood. In general, blood-feeding leeches are non host-specific, and do little harm to their host, dropping off after consuming a blood meal. Some ...
Glossiphoniid leeches exhibit remarkable parental care, the most highly developed one among the known annelids. They produce a membranous bag to hold the eggs, which is carried on the underside. The young attach to the parent's belly after hatching and are thus ferried to their first meal. [6] Certain Glossiphoniidae parasitize amphibian species.
LANSING — Thousands of people across the region got outside Monday for the opportunity to glimpse some of the solar eclipse that darkened portions of the U.S. from Texas to the Northeast.
😎 I did wear eclipse glasses, but my eyes are still hurting. ... It’s critically important to only look at a solar eclipse using ISO 12312-2 glasses; their lenses are thousands of times ...
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Arhynchobdellida, the proboscisless leeches, are a monophyletic order of leeches. They are defined by the lack of the protrusible proboscis that defines their sister taxon, the Rhynchobdellida . [ 1 ] [ 2 ] [ 3 ] Arhynchobdellida is a diverse order, compromising both aquatic and terrestrial , besides sanguivorous and predatory , leeches. [ 3 ]
The total solar eclipse will stretch across the country on April 8. Observers must protect their eyes with specialized solar filters.