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    Category: Anatomy

    Six Reasons the Blanket Octopus is My New Favorite Stunning Sea Creature

    Given the internet’s obsession with both large cephalopods and bizarre animals, you’d think blanket octopuses would be all over it by now. I mean, a two-meter-long octopus… Read more “Six Reasons the Blanket Octopus is My New Favorite Stunning Sea Creature”

    June 24, 2019February 13, 2020 by RRHelm

    This may be the ocean’s most horrifying monster (and you’ve probably never heard of it)

      When I first learned about rhizocephalan barnacles I lost my appetite. I was taking a parasitology course, and even though I’d developed a thick skin, something about… Read more “This may be the ocean’s most horrifying monster (and you’ve probably never heard of it)”

    October 31, 2018May 13, 2019 by RRHelm

    Meet Phylliroe: the sea slug that looks and swims like a fish

    This article first appeared at Deep Sea News Biologists have a habit of naming things after cool animals. Cars named after comb jellies, internet passwords after giant squid.… Read more “Meet Phylliroe: the sea slug that looks and swims like a fish”

    October 23, 2018October 26, 2018 by RRHelm

    Ripping yourself out from the inside: The story of a starfish’s birth (and yours, too)

    Baby starfish are actually magical ocean fairies called bipinnaria that swim whimsically through the sea: Yes, this wee young thing is a starfish, though it looks nothing… Read more “Ripping yourself out from the inside: The story of a starfish’s birth (and yours, too)”

    September 10, 2018September 11, 2018 by RRHelm

    How do jellyfish perceive the world?

    This post is part of a new series on my recent paper: “Evolution and development of scyphozoan jellyfish.” I try really hard to make my research accessible,… Read more “How do jellyfish perceive the world?”

    August 31, 2018August 25, 2018 by RRHelm

    A Guide for Aquarists: Using Chemicals to Grow Jellyfish in Captivity

    Hi all! Some of you may have read my post on a simple chemical method for inducing metamorphosis in a broad diversity of jelly species. In that post… Read more “A Guide for Aquarists: Using Chemicals to Grow Jellyfish in Captivity”

    June 21, 2018July 6, 2018 by RRHelm

    Jellyfish don’t throw-up or poop, they throop. They throop through their manus.

    Ok ok. This post is already starting off like a bad 3rd-grade-boy joke. But seriously (butt seriously?)–that beautiful jellyfish pictured above, well, you’re looking right at its… Read more “Jellyfish don’t throw-up or poop, they throop. They throop through their manus.”

    May 22, 2018May 22, 2018 by RRHelm

    Video: Soft purple jellyfish covered in ribbons

    Um, can we please go to Palawan (in the Philippines), tomorrow? This jelly, Lobonema sp., is one of my particular favs because its ancestors lost their tentacles (similar… Read more “Video: Soft purple jellyfish covered in ribbons”

    March 20, 2018March 8, 2018 by RRHelm

    The rainbow-covered jelly with a dark side

    (this is a reboot of an old post that appeared on this site nearly two years ago, complete with new science and pictures!) Watching animals eat is like… Read more “The rainbow-covered jelly with a dark side”

    November 7, 2014April 3, 2019 by RRHelm

    Thousands of bright blue animals are washing ashore–what are they?

    Over the past few months, odd floating jellies have been washing up on Pacific US beaches by the thousands. With clear plastic-like sails, and bright blue flesh, these harmless jellies… Read more “Thousands of bright blue animals are washing ashore–what are they?”

    October 14, 2014 by RRHelm

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