| River stingrays | |
|---|---|
 |
|
| Ocellate river stingray, Potamotrygon motoro | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Myliobatiformes |
| Family: | Potamotrygonidae Garman, 1877 |
| Genera | |
| Heliotrygon Paratrygon Plesiotrygon Potamotrygon | |
25 SPECIES OF FAMILY POTAMOTRYGONIDAE (RIVER STINGRAYS)
1. Heliotrygon gomesi (Gomes’s round ray).
- Distribution : South America
- Max. Length (cm) : 13.5 WD
2. Heliotrygon rosai (Rosa’s round ray).
- Distribution : South America
- Max. Length (cm) : 80 WD
3. Paratrygon ajereba (Discus ray).
- Distribution : South America
- Max. Length (cm) : 13.5 WD
4. Plesiotrygon iwamae (Long-tailed river stingray).
- Distribution : South America
- Max. Length (cm) : 58 WD
5. Plesiotrygon nana (black-tailed antenna ray).
- Distribution : South America
- Max. Length (cm) : 24.7 WD
6. Potamotrygon boesemani (Emperor ray).
- Distribution : South America
- Max. Length (cm) : 42.7 WD
7. Potamotrygon brachyura (Short-tailed river stingray).
- Distribution : South America
- Max. Length (cm) : 95 WD
8. Potamotrygon constellata (Thorny river stingray).
- Distribution : South America
- Max. Length (cm) : 62 WD
9. Potamotrygon falkneri (Largespot river stingray).
- Distribution : South America
- Max. Length (cm) : 60 WD
10. Potamotrygon henlei (Bigtooth river stingray).
- Distribution : South America
- Max. Length (cm) : 45 WD
11. Potamotrygon humerosa (-).
- Distribution : South America
- Max. Length (cm) : - WD
12. Potamotrygon hystrix (Porcupine river stingray).
- Distribution : South America
- Max. Length (cm) : 40 WD
13. Potamotrygon leopoldi (Polka Dot Ray/White-blotched river stingray).
- Distribution : South America
- Max. Length (cm) : 40 WD
14. Potamotrygon magdalenae (Magdalena river stingray).
- Distribution : South America
- Max. Length (cm) : 35 WD
15. Potamotrygon marinae (-).
- Distribution : South America
- Max. Length (cm) : - WD
16. Potamotrygon motoro (South American freshwater stingray).
- Distribution : South America
- Max. Length (cm) : 50 WD
17. Potamotrygon ocellata (Red-blotched river stingray).
- Distribution : South America
- Max. Length (cm) : 20 WD
18. Potamotrygon orbignyi (Smooth back river stingray/aka reticulatus, reticulata).
- Distribution : South America
- Max. Length (cm) : 35 WD
19. Potamotrygon schroederi (Rosette river stingray/Flower Stingray).
- Distribution : South America
- Max. Length (cm) : 60 WD
20. Potamotrygon schuhmacheri (-).
- Distribution : South America
- Max. Length (cm) : 25 WD
21. Potamotrygon scobina (Raspy river stingray).
- Distribution : South America
- Max. Length (cm) : 45 WD
22. Potamotrygon signata (Parnaiba river stingray).
- Distribution : South America
- Max. Length (cm) : 30 WD
23. Potamotrygon tatianae (-).
- Distribution : South America
- Max. Length (cm) : 34.8 WD
24. Potamotrygon tigrina (Tiger ray/Μenchacai).
- Distribution : South America
- Max. Length (cm) : - WD
25. Potamotrygon yepezi (Maracaibo river stingray).
- Distribution : South America
- Max. Length (cm) : 40 WD
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