rio Demini → rio Negro (⪪) → Amazonas (⪪) → Atlantic NE (⪪)

Country

Brazil

Region

Amazonas (BRA)

General direction

SE 159.71°

Starts near

 

 

[ 1.985,-63.963 ]

Tributaries
(Without claiming to be exhaustive):

Sorting
up/down

≼

⊗➀

rio Araçá (⪪)

[ -0.424,-62.907 ]

≽

[ 1.459,-63.409 ]

≼

[ 0.662,-62.627 ]

≼

[ 1.636,-63.852 ]

≽

[ 1.577,-63.548 ]

Flows in

≽

 

[ -0.772,-62.944 ]

Time, position

Cond.

w.temp.

pH

GH

KH

O2

 

Estuary rio Araça, upstream
[ -0.397,
-62.888 ]

13.00

5.26

Estuary rio Araça, downstream
[ -0.397,
-62.888 ]

13.00

3.96

Fishes of rio Demini
(Without claiming to be exhaustive)

Species
Country
Origin

Length
(cm)

AQ
(cm)

T.
(°C)

Bree
ding

Ancistrus dolichopterus (L 183)
Kner, 1854
 
Brazil
Rio Negro, rio Padauiri, rio Demini, rio Branco, rio Nhamundá
(Amazonas (BRA), Pará (BRA))

25

80

25 - 29

multiple

Ancistrus sp. "L 107"

 
Brazil
mittlerer Rio Negro Einzug, Rio Demini
(Amazonas)

18

100

25 - 29

multiple

Ancistrus sp. "L 184"

 
Brazil
mittlerer Rio Negro Einzug, Rio Demini
(Amazonas)

18

100

25 - 29

multiple

Cheilonimata papillosa
Crispim-Rodrigues, Bernt, Waltz, Silva, Benine, Oliviera, Covain & Roxo, 2023
 
Brazil
riio Demini, rio Araçá, rio Negro
(Amazonas (BRA))

9

80

 

unknown

Dekeyseria picta (L 168)
Zonancistrus brachyurus (L 168)
Kner, 1854
 
Brazil
Rio Demini, mittlerer/unterer Rio Negro-Einzug und Rio Uneiuxi
(Amazonas)

15

100

25 - 29

multiple

Dekeyseria scaphirhyncha (L 216)
Kner, 1854
 
Brazil, Colombia, Venezuela
Rio Arapiuns, Rio Negro, Rio Demini, Rio Urubaxi, Rio Branco, Rio Coari, Rio Tefé, Rio Yavarí = Rio Javari; Rio Inirida; Rio Atabapo, Pozo Azul
(Pará (BRA), Amazonas (BRA), Guainía)

25

150

25 - 29

Catfish Atlas 2

Hypancistrus cf. inspector "L 102"

 
Brazil
Barcelos, ggf. Rio Uaupés od. Rio Demini
(Amazonas (BRA))

20

120

25 - 29

unknown

Hypancistrus sp. "L 136"

 
Brazil
Rio Demini im mittleren Rio Negro Einzug
(Amazonas)

12

80

26 - 29

multiple

Hypancistrus sp. "L 136" / "LDA 5"

 
Brazil
Rio Demini im mittleren Rio Negro Einzug
(Amazonas)

12

80

26 - 29

multiple

Hypancistrus sp. "L 136" / "LDA 6"

 
Brazil
Rio Demini im mittleren Rio Negro Einzug
(Amazonas)

12

80

26 - 29

multiple

Hypostomus sp. "L 167"
Cochliodon sp. "L 167"

 
Brazil
Rio Demini im rio Negro-Einzug
(Amazonas)

30

120

25 - 29

unknown

Leptodoras hasemani
Steindachner, 1915
 
Brazil, Guyana, Venezuela
Río Orinoco, río Branco, rio Demini, Essequibo River
(Amazonas (VEN), Amazonas (BRA), Roraima, Upper Takutu-Upper Essequibo, Potaro-Siparuni, Upper Demerara-Berbice, Essequibo Islands-West Demerara)

23

150

 

unknown

Leptodoras linnelli
Eigenmann, 1912
 
Brazil, Guyana, Venezuela
Río Mavaca, río Siapa, brazo Casiquare oberer río Orinoco, Potaro River, Essequibo River, Demerara River, Araguari River, Tumatumari, Rockstone, Crab Falls, linke Zuflüsse des unteren Amazonas, rio Uatumã, rio Tacutu, rio Demini
(Amapá, Roraima, Amazonas (BRA), Pará (BRA))

27

150

 

unknown

Leptodoras praelongus
Myers & Weitzman, 1956
 
Brazil, Venezuela
rio Negro, río Orinoco, Amazonas, rio Solimões, rio Branco, rio Madeira, rio Tocantins, rio Jutaí, rio Demini, río Pamoni, río Casiquare, río Sipapo
(Amazonas (VEN), Amazonas (BRA), Pará (BRA), Rondônia, Roraima)

21

120

25 - 30

unknown

Panaqolus sp. "L 169" / "LDA 1"

 
Brazil
Rio Demini im rio Negro-Einzug
(Amazonas)

12

80

25 - 29

multiple

Peckoltia cf. braueri "L 135"

 
Brazil
Rio Demini im mittleren Rio Negro Einzug
(Amazonas)

15

100

25 - 29

BSSW 1/2008

Pseudacanthicus cf. leopardus "L 114" / "LDA 7"

 
Brazil
Rio Demini, mittlerer Rio Negro Einzug
(Amazonas)

40

150

25 - 29

multiple

Pseudorinelepis cf. genibarbis "L 95"

 
Brazil
Rio Demini, rio Branco
(Amazonas)

>50

200

25 - 29

unknown

18  entries found.

Many thanks to

for the pictures

Ingo Seidel

1

keksl

2, 3

Patrick Stopinski

6

9, 15, 16

Steindachner, Franz (1917) (PD)

10

Eigenmann, Carl H. (PD)

11

Rogério Fádel (CC BY-NC 3.0)

12

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