río Negro → río Paraguay (⪪) → río Paraná (⪪) → río de la Plata (⪪) → Atlantic SE (⪪)

Country

Bolivia, Paraguay

Region

Santa Cruz, Alto Paraguay

Tributaries
(Without claiming to be exhaustive):

 

↠

río Otuquis (⪪)

 

Ends near

Bahia Negra

Flows in

≼

 

[ -20.164,-58.170 ]

Fishes of río Negro
(Without claiming to be exhaustive)

Species
Country
Origin

Length
(cm)

AQ
(cm)

T.
(°C)

Bree
ding

Hypostomus basilisko
Cochliodon basilisko
Tencatt, Zawadzki & Froehlich, 2014
 
Brazil, Paraguay
córrego Salobrinha, rio Salobra, Rio Paraguay-Einzug; río Negro
(Mato Grosso do Sul, Alto Paraguay)

30

180

20 - 27

yes

Hypostomus boulengeri
Eigenmann & Kennedy, 1903
 
Argentina, Bolivia, Brazil, Paraguay
río Montelinde, río Paraguay, río Aguaray Guazú, río Negro, río Bermejo
(Asuncion, Corrientes, Mato Grosso do Sul, San Pedro, Chaco, Formosa, Santa Cruz, Alto Paraguay)

30

150

22 - 28

unknown

2  entries found.

Many thanks to

for the pictures

Ralf Binninger

1

Ingo Seidel

2

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