Search Results for: Live sea crawfish in shell
should stick around. yet for mnemiopsis leidyi, an anus appears to be a matter of choice . prior studies had concluded that the jellyfish relative, also known as a warty comb jelly or sea walnut, sported a permanent defecation center. but as researchers with the marine biological laboratory in woods
hole, massachusetts, discovered this year, the end of m. leidyi's digestive track turned out to be an opening that "appears and disappears" in a regular rhythm. that makes the sea walnut, to date, the only known animal with a "now-you-see-it, now-you-don't" anal orifice, though further investigations...
https://www.livescience.com/weirdest-science-of-2019.html