You searched for species with distribution of Rio de Janeiro State Rivers and sorted by species.
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/siluriformes/heptapteridae/acentronichthys/leptos/1.jpg "Acentronichthys leptos")
1. Acentronichthys leptos (i:3, k: 0)
Size: 91mm (3.6")
IUCN: Least Concern/siluriformes/loricariidae/ancistrus/multispinis/1.jpg "Ancistrus multispinis")
2. Ancistrus multispinis (i:2, k: 7)
Size: 142mm (5.6")/siluriformes/loricariidae/curculionichthys/insperatus/1.jpg "Curculionichthys insperatus")
3. Curculionichthys insperatus (i:4, k: 0)
Size: 30mm (1.2")/siluriformes/loricariidae/delturus/parahybae/1.jpg "Delturus parahybae")
4. Delturus parahybae (i:1, k: 0)
Size: 210mm (8.3")
IUCN: Critically Endangered
5. Glanidium melanopterum (i:0, k: 0)
Size: 151mm (5.9")
IUCN: Least Concern/siluriformes/loricariidae/harttia/carvalhoi/1.jpg "Harttia carvalhoi")
6. Harttia carvalhoi (i:1, k: 0)
Size: 71mm (2.8")
IUCN: Least Concern/siluriformes/loricariidae/harttia/loricariformis/1.jpg "Harttia loricariformis")
7. H. loricariformis (i:3, k: 0)
Size: 130mm (5.1")
IUCN: Least Concern/siluriformes/loricariidae/hemipsilichthys/gobio/1.jpg "Hemipsilichthys gobio")
8. Hemipsilichthys gobio (i:1, k: 0)
Size: 156mm (6.1")
IUCN: Near Threatened
9. H. nimius (i:0, k: 0)
Size: 105mm (4.1")
IUCN: Near Threatened
10. H. papillatus (i:0, k: 0)
Size: 92mm (3.6")
IUCN: Near Threatened/siluriformes/loricariidae/hisonotus/notatus/1.jpg "Hisonotus notatus")
11. Hisonotus notatus (i:1, k: 6)
Size: 40mm (1.6")
Temp: 22.0-24.0°C (71.6-75.2°F)
pH: 6.5-7.5
IUCN: Least Concern/siluriformes/callichthyidae/hoplisoma/nattereri/1.jpg "Hoplisoma nattereri")
12. Hoplisoma nattereri (i:9, k: 34)
Size: 54mm (2.1")
Temp: 20.0-23.0°C (68-73.4°F)
IUCN: Not Evaluated/siluriformes/loricariidae/hypostomus/affinis/1.jpg "Hypostomus affinis")
13. Hypostomus affinis (i:3, k: 0)
Size: 397mm (15.6")/siluriformes/loricariidae/hypostomus/auroguttatus/1.jpg "Hypostomus auroguttatus")
14. H. auroguttatus (i:1, k: 0)
Size: 286mm (11.3")
IUCN: Least Concern
15. H. luetkeni (i:0, k: 0)
IUCN: Least Concern/siluriformes/loricariidae/hypostomus/punctatus/1.jpg "Hypostomus punctatus")
16. H. punctatus (i:5, k: 48)
Size: 300mm (11.8")
Temp: 22.0-29.0°C (71.6-84.2°F)
pH: 5.0-8.2
IUCN: Least Concern
17. Ituglanis parahybae (i:0, k: 0)
IUCN: Least Concern/siluriformes/loricariidae/kronichthys/heylandi/1.jpg "Kronichthys heylandi")
18. Kronichthys heylandi (i:2, k: 0)
Size: 150mm (5.9")
IUCN: Least Concern/siluriformes/trichomycteridae/listrura/menezesi/1.jpg "Listrura menezesi")
19. Listrura menezesi (i:1, k: 0)
IUCN: Not Evaluated/siluriformes/trichomycteridae/listrura/nematopteryx/1.jpg "Listrura nematopteryx")
20. L. nematopteryx (i:1, k: 0)
Size: 37mm (1.5")
IUCN: Critically Endangered/siluriformes/loricariidae/loricariichthys/castaneus/1.jpg "Loricariichthys castaneus")
21. Loricariichthys castaneus (i:8, k: 0)
Size: 250mm (9.8")
IUCN: Least Concern
22. Microcambeva barbata (i:0, k: 0)
Size: 26mm (1")
IUCN: Near Threatened/siluriformes/pseudopimelodidae/microglanis/nigripinnis/1.jpg "Microglanis nigripinnis")
23. Microglanis nigripinnis (i:4, k: 0)
Size: 40mm (1.6")
IUCN: Data Deficient/siluriformes/pseudopimelodidae/microglanis/parahybae/1.jpg "Microglanis parahybae")
24. M. parahybae (i:7, k: 0)
Size: 80mm (3.1")
Temp: 21.0-26.0°C (69.8-78.8°F)
pH: 6.2-7.8
IUCN: Least Concern/siluriformes/pseudopimelodidae/microglanis/pleriqueater/1.jpg "Microglanis pleriqueater")
25. M. pleriqueater (i:5, k: 0)
IUCN: Least Concern/siluriformes/loricariidae/neoplecostomus/microps/1.jpg "Neoplecostomus microps")
26. Neoplecostomus microps (i:10, k: 0)
Size: 102mm (4")
Temp: 11.5-25.5°C (52.7-77.9°F)
IUCN: Least Concern/siluriformes/loricariidae/otocinclus/affinis/1.jpg "Otocinclus affinis")
27. Otocinclus affinis (i:2, k: 57)
Size: 50mm (2")
Temp: 20.0-26.0°C (68-78.8°F)
pH: 6.0-8.0/siluriformes/loricariidae/otothyris/lophophanes/1.jpg "Otothyris lophophanes")
28. Otothyris lophophanes (i:3, k: 0)
Size: 28mm (1.1")
IUCN: Least Concern/siluriformes/loricariidae/pareiorhaphis/garbei/1.jpg "Pareiorhaphis garbei")
29. Pareiorhaphis garbei (i:1, k: 0)
Size: 140mm (5.5")
IUCN: Near Threatened
30. Pareiorhina brachyrhyncha (i:0, k: 0)
Size: 42mm (1.7")
IUCN: Near Threatened/siluriformes/loricariidae/pareiorhina/rudolphi/1.jpg "Pareiorhina rudolphi")
31. P. rudolphi (i:1, k: 0)
Size: 45mm (1.8")
Temp: 21.0-25.0°C (69.8-77°F)
pH: 21.0-25.0
IUCN: Near Threatened
32. Parotocinclus bidentatus (i:0, k: 0)
Size: 35mm (1.4")
IUCN: Data Deficient/siluriformes/loricariidae/parotocinclus/maculicauda/1.jpg "Parotocinclus maculicauda")
33. P. maculicauda (i:24, k: 11)
Size: 60mm (2.4")
Temp: 20.0-28.0°C (68-82.4°F)
pH: 6.5-7.5
IUCN: Least Concern
34. P. muriaensis (i:0, k: 0)
Size: 31mm (1.2")
IUCN: Data Deficient/siluriformes/loricariidae/parotocinclus/spilosoma/1.jpg "Parotocinclus spilosoma")
35. P. spilosoma (i:18, k: 23)
Size: 52mm (2")
Temp: 22.0-28.0°C (71.6-82.4°F)
pH: 5.8-7.5
36. Pimelodella brasiliensis (i:0, k: 0)
Size: 180mm (7.1")
IUCN: Data Deficient
37. P. eigenmanni (i:0, k: 0)
Size: 94mm (3.7")
IUCN: Data Deficient
38. P. eigenmanniorum (i:0, k: 0)
IUCN: Data Deficient
39. P. harttii (i:0, k: 0)
Size: 150mm (5.9")
IUCN: Data Deficient/siluriformes/heptapteridae/pimelodella/lateristriga/1.jpg "Pimelodella lateristriga")
40. P. lateristriga (i:4, k: 2)
Size: 151mm (5.9")
Temp: 20.0-26.0°C (68-78.8°F)
IUCN: Data Deficient
41. P. pectinifera (i:0, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/pogonopoma/parahybae/1.jpg "Pogonopoma parahybae")
42. Pogonopoma parahybae (i:1, k: 0)
Size: 263mm (10.4")
IUCN: Vulnerable/siluriformes/loricariidae/pseudotothyris/janeirensis/1.jpg "Pseudotothyris janeirensis")
43. Pseudotothyris janeirensis (i:2, k: 0)
Size: 50mm (2")
IUCN: Near Threatened/siluriformes/heptapteridae/rhamdia/quelen/1.jpg "Rhamdia quelen")
44. Rhamdia quelen (i:8, k: 6)
Size: 350mm (13.8")
Temp: 18.0-28.0°C (64.4-82.4°F)
pH: 4.0-8.0
IUCN: Least Concern/siluriformes/heptapteridae/rhamdioglanis/transfasciatus/1.jpg "Rhamdioglanis transfasciatus")
45. Rhamdioglanis transfasciatus (i:1, k: 0)
Size: 190mm (7.5")
IUCN: Least Concern/siluriformes/loricariidae/rineloricaria/buckupi/1.jpg "Rineloricaria buckupi")
46. Rineloricaria buckupi (i:9, k: 0)
IUCN: Not Evaluated
47. R. nigricauda (i:0, k: 0)
Size: 65mm (2.6")
IUCN: Least Concern
48. R. nudipectoris (i:0, k: 0)
IUCN: Not Evaluated
49. R. paraibensis (i:0, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/rineloricaria/zawadzkii/1.jpg "Rineloricaria zawadzkii")
50. R. zawadzkii (i:7, k: 0)
IUCN: Not Evaluated/siluriformes/loricariidae/schizolecis/guentheri/1.jpg "Schizolecis guentheri")
51. Schizolecis guentheri (i:9, k: 1)
Size: 40mm (1.6")
IUCN: Not Evaluated/siluriformes/callichthyidae/scleromystax/barbatus/1.jpg "Scleromystax barbatus")
52. Scleromystax barbatus (i:21, k: 154)
Size: 98mm (3.9")
Temp: 16.0-25.5°C (60.8-77.9°F)
pH: 5.5-7.0
IUCN: Least Concern/siluriformes/heptapteridae/taunayia/bifasciata/1.jpg "Taunayia bifasciata")
53. Taunayia bifasciata (i:1, k: 0)
Size: 140mm (5.5")
IUCN: Vulnerable/siluriformes/auchenipteridae/trachelyopterus/striatulus/1.jpg "Trachelyopterus striatulus")
54. Trachelyopterus striatulus (i:3, k: 0)
IUCN: Least Concern/siluriformes/trichomycteridae/trichogenes/longipinnis/1.jpg "Trichogenes longipinnis")
55. Trichogenes longipinnis (i:4, k: 0)
Size: 140mm (5.5")
Temp: 20.0-24.0°C (68-75.2°F)
IUCN: Near Threatened/siluriformes/trichomycteridae/trichomycterus/albinotatus/1.jpg "Trichomycterus albinotatus")
56. Trichomycterus albinotatus (i:3, k: 0)
Size: 46mm (1.8")
IUCN: Least Concern/siluriformes/trichomycteridae/trichomycterus/alternatus/1.jpg "Trichomycterus alternatus")
57. T. alternatus (i:5, k: 1)
Size: 81mm (3.2")
Temp: 21.0-27.0°C (69.8-80.6°F)
pH: 6.5-7.5
IUCN: Least Concern
58. T. antiquus (i:0, k: 0)
IUCN: Not Evaluated/siluriformes/trichomycteridae/trichomycterus/auroguttatus/1.jpg "Trichomycterus auroguttatus")
59. T. auroguttatus (i:1, k: 0)
Size: 61mm (2.4")
IUCN: Least Concern
60. T. caipora (i:0, k: 0)
Size: 116mm (4.6")
IUCN: Least Concern/siluriformes/trichomycteridae/trichomycterus/immaculatus/1.jpg "Trichomycterus immaculatus")
61. T. immaculatus (i:1, k: 0)
Size: 93mm (3.7")
IUCN: Least Concern/siluriformes/trichomycteridae/trichomycterus/itatiayae/1.jpg "Trichomycterus itatiayae")
62. T. itatiayae (i:1, k: 0)
Size: 57mm (2.2")
IUCN: Least Concern/siluriformes/trichomycteridae/trichomycterus/maculosus/1.jpg "Trichomycterus maculosus")
63. T. maculosus (i:1, k: 0)
IUCN: Least Concern/siluriformes/trichomycteridae/trichomycterus/mirissumba/1.jpg "Trichomycterus mirissumba")
64. T. mirissumba (i:2, k: 0)
Size: 60mm (2.4")
IUCN: Least Concern/siluriformes/trichomycteridae/trichomycterus/mutabilicolor/1.jpg "Trichomycterus mutabilicolor")
65. T. mutabilicolor (i:2, k: 0)
IUCN: Not Evaluated/siluriformes/trichomycteridae/trichomycterus/nigroauratus/1.jpg "Trichomycterus nigroauratus")
66. T. nigroauratus (i:1, k: 0)
IUCN: Least Concern/siluriformes/trichomycteridae/trichomycterus/quintus/1.jpg "Trichomycterus quintus")
67. T. quintus (i:3, k: 0)
IUCN: Not Evaluated