ピラルクは一億年以上姿を変えていない魚なのだそう。

鰓呼吸だけでなくて、浮き袋を肺代わりにした肺呼吸もできるらしい。

姿を変えずにいられたのは、変化したことに適応していけたからだったのだろうなと思う。

Apparently, the pirarucu is a fish that hasn't changed its form for over 100 million years.

It seems they can breathe not only through gills but also through their swim bladder, which functions like lungs.

I suppose the reason they've remained unchanged is that they've been able to adapt to whatever changes occurred.

Medium：cypress , and the coloring is acrylic paint.

Size： about 12 cm (height), 5.5 cm (width), 9 cm (depth)

Date of creation ：2026/2/22