The story of how the starfish got its arms reminds us that even animals that might be familiar to us today can have incredibly deep histories - ones that stretch back almost half a billion years.

Is it a fuzzy sock? An overripe banana? A moldy tube of toothpaste? In fact, it’s a humble sea cucumber: a brainless, fleshy form surrounding a digestive tract, and bookended by a mouth and an anus. And while it might look odd, its daily...

All animals have adaptations that help them survive in the wild...some just focus more on back-end development than others. Whether for offense, defense, or both, here are five creatures with butt-kicking behinds!

For most of us, the term "puke your guts out" isn't meant to taken literally. But for these animals, it's kind of useful.

To finish things up with Echinodermata, we will look at class Echinoidea, the sea urchins, and class Holothuroidea, the sea cucumbers. What are these spiny things we call urchins? What is their anatomy like? What the heck is a sea...

Continuing our study of the echinoderms, let's take a look at their body systems, especially the water vascular system and endoskeleton. What else can we say about their general anatomy and physiology? How do sea stars and sea urchins...

With the hemichordates covered let's check out the echinoderms. Echinodermata is the other phylum in the clade Ambulacraria, and they are found all around the world. The most familiar organisms in this clade are starfish or sea stars,...

On this episode of Beyond the Tide, Coyote and the crew go tide pooling at night and discover three different species of HUGE Sea Cucumbers! There are many species of Sea Cucumbers that can be found all over the world but it isn’t every...

This video is a lesson on invertebrates, the largest group in the animal kingdom. It explains the two main groups of animals - vertebrates and invertebrates - and focuses on the characteristics and examples of invertebrates. The video...

1. Wide of fishing boats in bay

2. Fisherman dragging long net towards c
oast
3. Pan from fisherman, Luis Bonilla, to fisher
man in sea
4....

1 February, 2009

1. Four officers standing with sniffer
dogs
2. Close up sn
iffer dog
3. Officers standing in a
line with dogs
4. Dog r
esting on the ground
5. Dog sea
rching truck with...