Panamius

{{Short description|Genus of fishes}}

{{Speciesbox

| name = Panamius panamensis

| image = Panamius panamensis 173450182.jpg

| status = NT

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Lyons, T.J. |date=2020 |title=Panamius panamensis |volume=2020 |page=e.T159145792A159145807 |doi=10.2305/IUCN.UK.2020-2.RLTS.T159145792A159145807.en |access-date=28 December 2021}}

| display_parents = 3

| genus = Panamius

| parent_authority = Schmitter-Soto, 2007

| species = panamensis

| authority = (Meek & Hildebrand, 1913)

| synonyms =

• Archocentrus panamensis
• Cryptoheros panamensis
• Neetroplus panamensis

}}

Panamius is a genus of cichlid fishes found in moderately flowing rivers and streams in Panama. The only species within Panamius is Panamius panamensis. Panamius had been previously considered a subgenus within the genus Cryptoheros.{{cite journal|title=Diversity and evolution of the Middle American cichlid fishes (Teleostei: Cichlidae) with revised classification|author=Říčan, O.|author2=Piálek, L.|author3=Dragová, K.|author4=Novák, J.|name-list-style=amp|journal=Vertebrate Zoology|pages=1–102|volume=66|issue=1|year=2016|doi=10.3897/vz.66.e31534 |doi-access=free |url=https://www.senckenberg.de/wp-content/uploads/2019/08/01_vertebrate_zoology_66-1_rican_1-102.pdf|accessdate=2019-01-25}} Prior to being classified within Cryptoheros it was sometimes included within the genus Neetroplus. P. panamensis reaches up to {{cvt|13|cm|in}} in length and primarily feeds on aufwuchs.