Weekly post

  • Posted by : Guppy Jumat, 07 Maret 2014

    25 SPESIES IKAN PARI AIR TAWAR

    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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