Economidichthys trichonis

{{Short description|Species of fish}}

{{Speciesbox

| image =

| status = EN

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Ford, M. |year=2024 |title=Economidichthys trichonis |volume=2024 |page=e.T7021A137261839 |doi=10.2305/IUCN.UK.2024-2.RLTS.T7021A137261839.en |access-date=31 January 2025}}

| taxon = Economidichthys trichonis

| authority = Economidis & Miller, 1990

| synonyms =

}}

Economidichthys trichonis, the Trichonis dwarf goby, is a species of goby endemic to Lake Trichonis, an oligotrophic lake in western Greece, where it can be found at depths down to {{convert|15|m|ft}} in vegetated areas. Males of this species can reach a length of {{convert|3|cm|in}} TL while females grow to {{convert|2.7|cm|in}} TL. This species is the smallest freshwater fish in Europe with a mature female measuring only {{convert|1.8|cm|in}} SL.{{FishBase |genus= Economidichthys|species= trichonis| month = June | year = 2013}}