Above, the Medusa-like arms of a northern basket star (right) seek a meal of zooplankton beside a polar alcyonarian soft coral in the shallows beneath an ice sheet in the Canadian Arctic.

在加拿大北极圈的层薄冰之下，种两极生活的低级腔肠动物软类，组令人恐怖的像蛇发女的肢体在北极地域寻找软做为顿美餐。