noun
yellowfin puffer; Takifugu xanthopterus
A species of pufferfish with distinctive yellow fins, found in Japanese waters.
シマフグはトラフグに似ているが、ひれが黄色い。
The yellowfin puffer resembles the tiger puffer, but its fins are yellow.
トラフグ (tiger puffer) is a more famous and expensive pufferfish, while シマフグ is less commonly eaten.
Compound of 縞 (shima, 'stripe') and 河豚 (fugu, 'pufferfish'), referring to the striped pattern on the fish.