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Epioblasma
''Epioblasma'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. Most of the species in this genus have been lost in modern times, and the entire genus is threatened with the possibility of extinction. Reproduction All Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during the larval glochidia stage. It was discovered in 2004 that female ''Epioblasma'' in the subgenus ''Torulosa'' transfer their parasitic larvae to the host fish by snapping onto the head of the fish and pumping the larvae into the host fish's gills. While using bait to lure host fish towards the larvae is common in the family Unionidae, this was the first time that "fish snapping" behavior had been observed. Examination of other species within the genus ''Epioblasma'' may further reveal unusual reproductive mechanisms. Taxonomy of the genus ''Epioblasma'' Note: Taxa with a "†" symbol are extinct due to human activity *Subgenu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Florentina Florentina
''Epioblasma'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. Most of the species in this genus have been lost in modern times, and the entire genus is threatened with the possibility of extinction. Reproduction All Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during the larval glochidia stage. It was discovered in 2004 that female ''Epioblasma'' in the subgenus ''Torulosa'' transfer their parasitic larvae to the host fish by snapping onto the head of the fish and pumping the larvae into the host fish's gills. While using bait to lure host fish towards the larvae is common in the family Unionidae, this was the first time that "fish snapping" behavior had been observed. Examination of other species within the genus ''Epioblasma'' may further reveal unusual reproductive mechanisms. Taxonomy of the genus ''Epioblasma'' Note: Taxa with a " †" symbol are extinct due to human activity *Subge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Florentina Curtisii
''Epioblasma'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. Most of the species in this genus have been lost in modern times, and the entire genus is threatened with the possibility of extinction. Reproduction All Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during the larval glochidia stage. It was discovered in 2004 that female ''Epioblasma'' in the subgenus ''Torulosa'' transfer their parasitic larvae to the host fish by snapping onto the head of the fish and pumping the larvae into the host fish's gills. While using bait to lure host fish towards the larvae is common in the family Unionidae, this was the first time that "fish snapping" behavior had been observed. Examination of other species within the genus ''Epioblasma'' may further reveal unusual reproductive mechanisms. Taxonomy of the genus ''Epioblasma'' Note: Taxa with a " †" symbol are extinct due to human activity *Subge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Florentina Aureola
''Epioblasma'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. Most of the species in this genus have been lost in modern times, and the entire genus is threatened with the possibility of extinction. Reproduction All Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during the larval glochidia stage. It was discovered in 2004 that female ''Epioblasma'' in the subgenus ''Torulosa'' transfer their parasitic larvae to the host fish by snapping onto the head of the fish and pumping the larvae into the host fish's gills. While using bait to lure host fish towards the larvae is common in the family Unionidae, this was the first time that "fish snapping" behavior had been observed. Examination of other species within the genus ''Epioblasma'' may further reveal unusual reproductive mechanisms. Taxonomy of the genus ''Epioblasma'' Note: Taxa with a " †" symbol are extinct due to human activity *Subge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Florentina
''Epioblasma'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. Most of the species in this genus have been lost in modern times, and the entire genus is threatened with the possibility of extinction. Reproduction All Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during the larval glochidia stage. It was discovered in 2004 that female ''Epioblasma'' in the subgenus ''Torulosa'' transfer their parasitic larvae to the host fish by snapping onto the head of the fish and pumping the larvae into the host fish's gills. While using bait to lure host fish towards the larvae is common in the family Unionidae, this was the first time that "fish snapping" behavior had been observed. Examination of other species within the genus ''Epioblasma'' may further reveal unusual reproductive mechanisms. Taxonomy of the genus ''Epioblasma'' Note: Taxa with a " †" symbol are extinct due to human activity *Subge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Cincinnatiensis
''Epioblasma'' is a genus of freshwater mussels, aquatic bivalve mollusks in the family Unionidae, the river mussels. Most of the species in this genus have been lost in modern times, and the entire genus is threatened with the possibility of extinction. Reproduction All Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during the larval glochidia stage. It was discovered in 2004 that female ''Epioblasma'' in the subgenus ''Torulosa'' transfer their parasitic larvae to the host fish by snapping onto the head of the fish and pumping the larvae into the host fish's gills. While using bait to lure host fish towards the larvae is common in the family Unionidae, this was the first time that "fish snapping" behavior had been observed. Examination of other species within the genus ''Epioblasma'' may further reveal unusual reproductive mechanisms. Taxonomy of the genus ''Epioblasma'' Note: Taxa with a " †" symbol are extinct due to human activity *Subge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Obliquata
''Epioblasma obliquata'', commonly called the catspaw, is a species of freshwater mussel. It is native to eastern North America, where it is classified as endangered under the Endangered Species Act. Natural history and conservation This species was historically widespread in the Ohio River and Great Lakes drainage basins. Like many other North American freshwater mussels, it relies on a habitat of shallow, gravelly riffle zones in larger rivers. This oxygen-rich habitat has largely been destroyed over the past 200 years by dam construction and dredging, which caused a massive population decline. Both subspecies, the white catspaw and the purple catspaw, are critically endangered. By the time ''E. obliquata obliquata'', the purple catspaw, was listed in 1990 under the Endangered Species Act, no surviving breeding populations were known. This changed in 1994 when a few young individuals were found in Killbuck Creek, Ohio, indicating a small breeding population. An attempt to co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Capsaeformis
The oyster mussel (''Epioblasma capsaeformis'') is a rare species of freshwater mussel in the family Unionidae. This aquatic bivalve mollusk is native to the Cumberland and Tennessee River systems of Kentucky, Tennessee, Alabama, and Virginia in the United States. It has been extirpated from the states of Georgia It is a federally listed endangered species of the United States. This mussel was once widely distributedUSFWS''Epioblasma capsaeformis'' Five-year Review.July 2011 and common. It has declined 80% from its historical abundance. It is now extirpated from the Cumberland River system and the main artery of the Tennessee River. It remains in the Nolichucky River of Tennessee and the Clinch River in Tennessee and Virginia. Specimens once classified as this species that remain in the Duck River in Tennessee have now been classified as a separate species, '' Epioblasma ahlstedti''.Jones, J.W., and R.J. Neves. 2010. "Descriptions of a new species and a new subspecies of fre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Ahlstedti
''Epioblasma ahlstedti'', commonly called the Duck River dartersnapper, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. It is native to Alabama and Tennessee in the southeastern United States, where it is endemic to the Tennessee River drainage. Although it is currently known only from the Duck River in Tennessee, museum specimens document that it was also historically found in the Buffalo River, the main stem of the Tennessee River at Muscle Shoals, and in Shoal Creek, Alabama. Like many freshwater mussels, this species has experienced extreme habitat loss and is now considered Critically Imperiled. The last remaining populations are found only in a 30-mile stretch the Duck River, one of the most biologically diverse rivers in North America. This species was described to science in 2010, distinguishing it from the closely related (and also endangered) ''Epioblasma capsaeformis The oyster mussel (''Epioblasma capsae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Brevidens
The Cumberlandian Combshell (''Epioblasma brevidens'') is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae. This species is endemic to the United States, found mainly in the states of Tennessee and Virginia. This mussel resides in medium-sized streams to large rivers. The combshell is an endangered species and protected under the Endangered Species Act of 1973. The combshell is threatened by habitat modifications and pollution. Description and physical characteristics The Cumberlandian combshell (Epioblasma brevidens) is a brown and yellow mussel that is about 2 inches long. Its brown solid shell has a yellow and brown film-like coating. The shell also has many green rays on it. The inside of the mussel is pearl-white. Female combshells also have serrated teeth-like structures around the edge of its shell. These mussels live in shoals and in coarse sand and boulders in medium streams to large rivers. Combshells tend to live in depths of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Sampsonii
''Epioblasma sampsonii'', the Wabash riffleshell or Sampson's naiad, was a species of freshwater mussel in the family Unionidae. It is now extinct. The species was endemic to the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ..., where it was found in the drainages of the Ohio River, living in gravel and sand shoals. Like all other members of its genus, its populations declined greatly from early dam and canal construction. The extinction of this species is believed to have occurred sometime in the early 20th century. Little is known about the biology and ecology of this species. References Extinct bivalves sampsonii Bivalves described in 1861 Taxonomy articles created by Polbot {{Unionidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Florentina Walkeri
''Epioblasma walkeri'', common name the tan riffleshell, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae The Unionidae are a family of freshwater mussels, the largest in the order Unionida, the bivalve molluscs sometimes known as river mussels, or simply as unionids. The range of distribution for this family is world-wide. It is at its most divers ..., the river mussels. Many scientists now recognize this mussel as synonymous or a subspecies of the presumed extinct '' Epioblasma florentina'' due to integrating shell characteristics between them. References walkeri ESA endangered species {{Unionidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epioblasma Torulosa
''Epioblasma torulosa'', commonly called the tubercled blossom, is a species of freshwater mussel, a mollusk in the family Unionidae. It is native to eastern North America, where it is considered endangered in both Canada and the United States. Natural history This species is known from the Cumberland, Ohio, St. Lawrence, and Tennessee River drainages. It is found in shallow riffle zones over sand and gravel in large to medium sized rivers. Due to habitat destruction, siltation, and other factors, two out of the three subspecies are now extinct. The surviving subspecies is considered highly imperiled, with only three known locations showing evidence of reproduction. Subspecies This species exhibits variable shell characteristics across its geographic range. It is unclear whether this is best understood as ecophenotypic variation, various subspecies, or a complex of closely related but genetically isolated species. Due to the extinction of three of the four subspecies often inclu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
