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Cynopotamus Valenciennes
Publication Data, Additional Information (status, external links, etc)
treatment citation Naércio A. Menezes, 2007, A new species of Cynopotamus Valenciennes, 1849 (Characiformes, Characidae) with a key to the species of the genus., Zootaxa 1635, pp. 55-61: 60
publication ID z01635p055
link to original citation http://www.zoobank.org/urn:lsid:zoobank.org:pub:F1A8B580-6FEF-40F0-BE7D-68CA04F3A07B
treatment provided by Thomas
persistent identifier http://treatment.plazi.org/id/8B203347-AAF8-1B0A-6CAE-ED46A590451C
additional text versions Plain XML   TaxonX
scientific name Cynopotamus Valenciennes  
status  
external databases ZBK
distribution map  
Treatment

[[ Cynopotamus Valenciennes ZBK ]]

Key to species of Cynopotamus ZBK

1a. Dorsal-fin rays ii,10 (Paraguay, lower Paraná and Uruguay river basins)................................ C.argenteus

1b. Dorsal-fin rays ii,9 (very rarely ii,10)..........................................................................................................2

2a. Perforated lateral-line scales 85-90; horizontal scale rows from dorsal-fin origin to lateral line 17-18 (upper rio Juruena, Mato Grosso, Brazil)................................................................................... C.juruenae ZBK

2b. Perforated lateral line scales 91-125; horizontal scale rows from dorsal-fin origin to lateral line 20-31..3

3a. Horizontal scale rows from anal-fin origin to lateral line 17-21.................................................................4

3b. Horizontal scale rows from anal-fin origin to lateral line 22-30.................................................................5

4a. Developed gill-rakers on first branchial arch 8-9; branched anal-fin rays 36-43 (rivers of Guyana, French Guiana and Surinam and rio Branco basin, Roraima and Araguari basin, Amapá, Brazil) .... C.essequibensis ZBK

4b. Developed gill-rakers on first branchial arch 10-11; branched anal-fin rays 39-45 (rio Xingu basin, Mato Grosso and Pará, Brazil)............................................................................................................. C.xinguano

5a. Horizontal scale rows from dorsal-fin origin to lateral line 23-25 (rio Tocantins and rio Araguaia basins, Goiás and Pará, Brazil)......................................................................................................... C.tocantinensis ZBK

5b. Horizontal scale rows from dorsal-fin origin to lateral line 25-31..............................................................6

6a. Perforated lateral line scales 125 or more; branched anal-fin rays 49-51 (rio Magdalena and rio Cauca basins, Colombia) .... C.magdalenae ZBK

6b. Perforated lateral-line scales 98-121; branched anal-fin rays 36-49..........................................................7

7a. Branched anal-fin rays 47-49 ( río Orinoco basin, Venezuela)............................................... C.bipunctatus ZBK

7b. Branched anal-fin rays 36-47......................................................................................................................8

8a. Horizontal scale rows from dorsal-fin origin to lateral line 29-31; branched anal-fin rays 35-38 (rios Tocantins and Araguaia basins)................................................................................................. C.gouldingi ZBK

8b. Horizontal scale rows from dorsal-fin origin to lateral line 25-29; branched anal-fin rays 36-47.............9

9a. Branched anal-fin rays 36-39 (Peruvian Amazon and tributaries of rio Solimões in Brazil) ... C.amazonus

9b. Branched anal-fin rays 39-47....................................................................................................................10

10a. Perforated lateral-line scales 98-109; branched pectoral-fin rays 13-15; branched anal-fin rays 39-44 (rios Paraguay and lower Paraná basins, Brazil)......................................................................... C.kincaidi

10b. Perforated lateral-line scales 110-121; branched pectoral-fin rays 15-17; branched anal-fin rays 40-47 .. ...................................................................................................................................................................11

11a. Horizontal scale rows from anal-fin origin to lateral line 29-31; branched anal-fin rays 45-47 ( río Atrato basin, Colombia)...................................................................................................................... C.atratoensis

11b. Horizontal scale rows from anal-fin origin to lateral line 25-28; branched anal-fin rays 40-46 (Maracaibo basin, Venezuela)..................................................................................................................... C.venezuelae

Copyright Notice

No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.