Didymozoidae
| Didymozoidae | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Platyhelminthes |
| Class: | Trematoda |
| Order: | Plagiorchiida |
| Suborder: | Hemiurata |
| Superfamily: | Hemiuroidea |
| Family: | Didymozoidae Monticelli, 1888 |
Didymozoidae is a family of parasitic flatworms (class Trematoda) within the order Plagiorchiida. The group comprises endoparasitic flukes that primarily infect the tissues of marine teleost fishes.
Adult didymozoids are typically found encysted within the tissues of pelagic fishes, especially tunas and mackerels. The paired worms are enclosed within a shared cyst, which provides protection and facilitates reproduction. The family includes numerous genera such as Didymozoon, Nematobothrium, and Allometanematobothrioides.