Criterias:
Country: Argentinien
Genus species supplement - exakt: Megalonema

Species
Country
Origin

Length
(cm)

AQ
(cm)

T.
(°C)

Bree
ding

Megalonema argentinum
MacDonagh, 1938
 
Argentina, Paraguay
río Paraná, rio Paraguay, río Santiago
(Misiones, Buenos Aires)

27

180

 

unknown

Megalonema platanum
Günther, 1880
 
Argentina, Brazil, Paraguay, Uruguay
Río Paraná
(Santa Fé, Entre Ríos, Misiones, Chaco, Formosa, Rio Grande do Sul, Santa Catarina, Paraná)

50

250

 

unknown

2  entries found.

You can use the following URL for a later call of the search result - f.e. in other site
https://www.suedamerikafans.de/wels-datenbank/gefunden/?db_familie=alle&db_unterfamilie=alle&db_land=Argentinien&db_bezeichnung=Megalonema&db_bezeichnung_exakt=ja&db_show=bilder

Many thanks to

for the pictures

Matías Müller

1

R.R. Ota, G. de Carvalho Deprá, W.J. da Graça & C.S. Pavanelli (CC BY-NC 4.0)

2

Please help with your pictures and information to complete the database: database(at)welsfans.de