Cottus transsilvaniae

{{Short description|Species of fish}}

{{Speciesbox

| image =

| status = DD

| status_system = IUCN3.1

| status_ref ={{cite iucn |author=Freyhof, J. |author2=Kottelat, M. |date=2008 |title=Cottus transsilvaniae |volume=2008 |page=e.T135520A4136882 |doi=10.2305/IUCN.UK.2008.RLTS.T135520A4136882.en |access-date=12 November 2021}}

| taxon = Cottus transsilvaniae

| authority = Freyhof, Kottelat and Nolte, 2005

| synonyms =

}}

Cottus transsilvaniae is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. It is endemic to Romania in the upper Arges River in the Danube drainage. It reaches a maximum length of 9.7 cm.{{FishBase species |genus= Cottus|species= transsilvaniae| month = February | year = 2014}} It prefers rocky shoals and riffles of small upland streams. His species was described as a separate species from the European bullhead (C. gobio) in 2005 by Jörg Freyhof, Maurice Kottelat and Arne W. Nolte.{{cite journal | author1 = Jörg Freyhof | author2 = Maurice Kottelat | author3 = Arne Nolte | name-list-style = and | year =2005 | title = Taxonomic diversity of European Cottus with description of eight new species (Teleostei: Cottidae) | journal = Ichthyological Exploration of Freshwaters | volume = 16 | pages = 107–172}} The specific name transsilvaniae means "of Transsilvania", the Latin name of the Transylvania.{{cite web | url = https://etyfish.org/perciformes20/ | title = Order Perciformes: Suborder Cottoidea: Infraorder Cottales: Family Cottidae (Sculpins) | work = The ETYFish Project Fish Name Etymology Database | editor1= Christopher Scharpf | editor2 = Kenneth J. Lazara | name-list-style = amp |date = 22 October 2022 | access-date = 21 January 2023 | publisher = Christopher Scharpf and Kenneth J. Lazara}}