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"invertebrates"7 articles archived since 1845

A polyp’s pet rotifers

A polyp’s pet rotifers

As penance for irregular posting, have a pair of seemingly-symbiotic rotifers in a cnidarian (jellyfish) polyp. There were several of them on several polyps, and they seemed not to mind the tentacles (loaded with stinging cells containing a harpoon-like weapon with paralytic abilities).

September 14, 2013 — Psi Wavefunction

Open Ocean Mama Squid Clings to Bundle of Squirming Bubble Wrap

Bottom-dwelling squid and octopus usually attach their eggs to a hard surface, but open ocean squid have no such luxury. For many years, scientists thought such squid simply released their eggs to the whims of the currents.

July 3, 2014 — Jennifer Frazer

Tube Worm Larvae Use Prickly Bacterial Flowers to Choose a Home

Like a steaming pile of lava or the soggy soil below a melting glacier, the freshly scrubbed hull of a ship is a magnet for new life. The first creatures to the party are microbes like Pseudoalteromonas luteoviolacea, bacteria named for their curious habit of coloring themselves both yellow and purple in lab dishes.

May 1, 2015 — Jennifer Frazer
Baby Octopuses: Pickier Eaters Than Baby Humans

Baby Octopuses: Pickier Eaters Than Baby Humans

Baby octopuses are notoriously difficult to keep alive in captivityas in, almost impossible. Like their adult parents, they’re sensitive to water pH and temperature and all of that jazz.

January 24, 2014 — Katherine Harmon Courage

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