Sea Stars; the Echinodermata

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Echinodermata are spiny skinned creatures

with multiple legs as just one of their features

Radial symmetry is the shape that they show,

spin ‘em around and they’re still good to go

A water vascular system’s how they cross the sea floor,

they can pry open clams and shout they want more

They’ll pry open a clam & stick in their tummy,

suck out the clam’s guts – now isn’t that yummy!!!

The madreporite where’s the water pours in

on its aboral side where’s  filtration begins

If you munch on a sea star, chow one of its arms;

it’ll grow back a new one; you’ll do it no harm

At the ends of their arms are some very weak eyes

that see light and dark, but not shape or size

They’ve got gills to help breathe ‘cause they live in the sea

and they can breathe through their skin unlike you and me

Sea stars larvae are shaped bilaterally,

by the time they’re adult they change symmetry

The stars that we study are called ASTEROIDEA.

So many colors don’t you think  Pink Floydea?

We call them sea stars, not starFISH, because they're not FISH.

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