[For Seniors] Liven Things Up! Fun Fish Trivia Quiz

pectoral fin

When a flying fish takes to the air, the part that functions like wings is its pectoral fins. Flying fish spread their pectoral fins wide and can glide over the sea surface. This helps them escape predators and travel long distances.

mackerel

Mackerel is rich in omega-3 fatty acids. These omega-3 fatty acids are believed to be effective in preventing arteriosclerosis. Omega-3s are expected to improve blood cholesterol levels and help keep the blood flowing smoothly.

archerfish

The archerfish, about 30 centimeters in length, true to its name, shoots water from its mouth like a gun to knock down insects and other prey above the water’s surface. Archerfish have a highly developed ability to aim at their prey and can shoot them down with great accuracy.

transparent

The barreleye fish, which drifts and lives in the deep sea, has a uniquely distinctive head unlike other fish. Its head is covered by a transparent, dome-shaped membrane filled with fluid. The green spheres visible inside the head are said to be its eyes, which provide a wide field of view, allowing it to see in all directions.

yellowtail

Yellowtail is a rare “career-advancing” fish whose name changes as it grows. In the Kanto region, smaller ones are called inada, while in the Kansai region they’re called hamachi. For reference, fish larger than inada or hamachi are called warasa (Kanto) or mejiru/mejiro (Kansai), and those that have fully matured as a ‘career fish’ are called buri.