Tokyo Food Safety Information Center » Good things to know »Food parasites »Philometra, threadworm

Philometra, threadworm

Characteristics of Didymozoidae

Color

Dark brown

Size

Body length of 10-20 mm

Parasitize targets

Parasitizing inside of ovaries

Characteristics

At most, some hundreds of them are entangled.

Impacts on human

It does not parasitize human beings.

Major seafood hosts

Sea bass, threeline grunt, scorpionfish, flathead fish

 

Philometra parasitizing ovary of flathead fish

Figure: Philometra parasitizing ovary of flathead fish

 

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