Can Greek Tortoises eat Hornwort?
Testudo graeca · Ceratophyllum demersum
Unknown
Avoid
No source consulted lists hornwort as suitable for Greek (spur-thighed) tortoises, and Tortoise Trust notes this species is particularly vulnerable to goitrogens and dietary disruption. Without established safety data for terrestrial chelonians, this aquatic plant should not be offered.
Feeding frequency
Avoid
The short answer
No source consulted lists hornwort as suitable for Greek (spur-thighed) tortoises, and Tortoise Trust notes this species is particularly vulnerable to goitrogens and dietary disruption. Without established safety data for terrestrial chelonians, this aquatic plant should not be offered.
Feeding it safely
How much / how often
Backed by sources
Reviewed by basking_research · June 2026
Basking is here to help you learn — it isn't veterinary advice. For anything specific to your animal, talk to a qualified exotic-animal vet.
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