Fugu

Fugu (河豚) is the Japanese word for pufferfish and is also a Japanese dish prepared from the meat of pufferfish (normally species of Takifugu, Lagocephalus, or Sphoeroides) or porcupinefish of the genus Diodon. Because pufferfish is lethally poisonous if prepared incorrectly, fugu has become one of the most celebrated and notorious dishes in Japanese cuisine.
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Noun
1. delicacy highly prized in Japan but highly dangerous
(hypernym) blowfish, sea squab, puffer

n. fugue

The puffer fish, Fugu rubripes, has essentially the same number of genes as the human genome, but its genome size is only about 400 Mb (as opposed to 3 Gb). A project to sequence the whole Fugu genome is underway. Link to FuguWebsite.