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Fresh water polyp with ovary
Legend:
1 tentacle
2 hypostome / mouth area
3 column
4 gonad (ovary)
5 stalk
6 pedal disc
English name: Freshwater polyp
Scientific name: Hydra vulgaris
Familia: Hydridae
Classis: Hydrozoa
Phylum: Cnidaria
Regnum: Animalia
