Tags » Ctenophore

Comb Jellies and the Origin of Animals

There are few questions as fundamental as the origins of life as we know it. We know, from the fossil record, that complex animal life arose around about 500 million years ago at a time known as the Cambrian explosion. 1,606 more words

Big Debates

Plankton sampling and examining

For the past week or so, first year Marine Science students have been learning about plankton. After collecting plankton of the Pearson College dock, students examined the samples using microscopes. 33 more words

Marine Organisms

A preponderance of plankton

As I was leaving the floating building at 12:15 pm yesterday (1 October 2014), I noticed a golf ball-sized green blob floating past the Pearson College dock. 176 more words

Marine Organisms

Literature Review: Early Earth

by Carl Strang

A number of studies came out last year addressing the conditions of early Earth, and how life might have gotten started. That latter subject certainly is not suffering from a lack of ideas. 1,164 more words

Ecology

Fantastic Find Friday: Back to Basics

Welcome to this week’s edition of Fantastic Finds found by our dedicated and keen-eyed community of citizen scientists here on the Plankton Portal.  As the weeks pass we are continually surprised by the sheer number of exciting and unique finds on the site.  854 more words

Fantastic Finds

Fish of the Week: Comb Jelly

Comb jellies are one of my favorite aquatic critters. Comb jellies (sea gooseberries, sea walnuts, or Venus’s girdles) are formally known as ctenophores. Ctenophores have 8 rows of ctenes, or “combs” that cause the shimmering rainbow appearance along the sides of the jelly. 142 more words

Fish Vet