A case of gastric anisakiasis due to the larva of Pseudoterranova decipiences was con- firmed by a gastroendoscopic examination. A long whitish nematode larva invading the stomach wall (fundus) was discovered and was extracted using biopsy forceps after 3 days to the onset of symptoms. The worm was 42.6 X 1.1 mm size, and was identified as being a the 4th stage larva of P. decipiens, based upon its morphological characteristics, The patient, residing in Seoul, was a 51-year-old housewife, who complained of severe epi- gastric pain and recalled that she had previously eaten the raw flesh of an Astroconger myriaster in a Japanese restaurant (sushi Bar). This study probably emerges as the 7th human case of gastric anisakiasis of pseudoterranoviasis in Korea. (Korean J Gastrointest Endosc 18: 732-736, 1998)