Crystallaria
Encyclopedia
Crystallaria is a genus
of darters
in the family
Percidae
.
:
The diamond darter has only recently been discovered
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of darters
Darter (fish)
The fish popularly known as darters are small perch-like fish.They inhabit freshwater streams in North America. They are members of the family percidae and include members of the Ammocrypta, Crystallaria, Etheostoma and Percina genera....
in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Percidae
Percidae
The Percidae are a family of perciform fish found in fresh and brackish waters of the Northern Hemisphere. The family contains about 200 species in ten genera...
.
Species
It contains only two speciesSpecies
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
:
- Crystal darterCrystal darterThe crystal darter, Crystallaria asprella, is a small North American fish found in small, moderate, and swift rivers in the drainage basins of the Mississippi and Ohio Rivers. It is now extirpated from a majority of its range along the Ohio River...
, Crystallaria asprella JordanDavid Starr JordanDavid Starr Jordan, Ph.D., LL.D. was a leading eugenicist, ichthyologist, educator and peace activist. He was president of Indiana University and Stanford University.-Early life and education:...
, 1878 - Diamond darterDiamond darterThe diamond darter, Crystallaria cincotta, is a species of freshwater fish of the darter family. It is named for the sparkling light it reflects during nighttime collections, the diamond darter was first described in 2008 and is only the second known member of its genus, which also includes the...
, Crystallaria cincotta Welsh and Wood, 2008
The diamond darter has only recently been discovered