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Fresh water polyp with testes
![](/public/Final-Images/AN_Final685z_001-050/AN0036_685zHydraTestes.jpg)
Legend:
1 tentacle
2 hypostome / mouth area
3 gonads (testes)
4 pedal disc
English name: freshwater polyp
Scientific name: Hydra vulgaris
Familia: Hydridae
Classis: Hydrozoa
Phylum: Cnidaria
Regnum: Animalia