مارماهی های کنگر – در آکواریوم Sendai Umino-Mori در شمال شرقی ژاپن
Conger eels poke their heads out from tubes that look like "ehomaki" sushi rolls at Sendai Umino-Mori Aquarium in northeastern Japan on Jan. 19, 2021. (Photo by Kyodo News via Getty Images)