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Spongilla is a genus of freshwater sponges containing over 200 different species. Spongilla was first publicly recognized in 1696 by Leonard Plukenet and can be found in lakes, ponds and slow streams. [2] Spongilla have a leuconoid body form with a skeleton composed of siliceous spicules.
Spongilla lacustris is a species of freshwater sponge from the family Spongillidae. It inhabits freshwater rivers and lakes, often growing under logs or rocks. Lacustris is a Latin word meaning "related to or associated with lakes". [1] The species ranges from North America to Europe and Asia. It is the most common freshwater sponge in central ...
Spongilidae is a family of sponges that live in freshwater lakes and rivers. The following genera are recognized in the family: [1] Anheteromeyenia Schröder, 1927; Corvoheteromeyenia Ezcurra de Drago, 1979; Corvospongilla Annandale, 1911; Dosilia Gray, 1867; Duosclera Reiswig & Ricciardi, 1993
Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes and inland wetlands, where the salinity is less than 1.05%. These environments differ from marine habitats in many ways, especially the difference in levels of osmolarity .
Of North American freshwater species, an estimated 48.5% of mussels, 22.8% of gastropods, 32.7% of crayfishes, 25.9% of amphibians, and 21.2% of fish are either endangered or threatened. [24] Extinction rates of many species may increase severely into the next century because of invasive species, loss of keystone species, and species which are ...
The research team traveled to the lake in the summers of 2019 and 2020, and with the help of ground-penetrating radar, discovered that Lake Enigma—true to its name—contained a secret: liquid ...
Around half of fish species live in freshwater environments, the other half living in saltwater. [11] Some fish, such as salmon and some species of shark, are able to travel between the freshwater and saltwater environments, linking the two. [11] These fish are referred to as diadromous fish, stemming from Greek and meaning "to run between", in ...
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