🦋 Family
Hydridae
Hydra viridissima Pallas, 1766
Hydra viridissima Pallas, 1766
Hydra viridissima, the green hydra, is a symbiotic freshwater cnidarian with unique reproductive adaptations.
Hydra oligactis Pallas, 1766
Hydra oligactis Pallas, 1766
Hydra oligactis, the brown hydra, is a widespread still-water hydra species found in temperate regions globally.
Related Families
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