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Some deep water shrimps release glowing fluid when startled by potential predators! This process is believed to be a defensive mechanism wherein the glowing blue cloud of material distracts the predator while the shrimp moves in the opposite direction. Can you think of some other ways animals have developed defense mechanisms? Leave them in the comments below!
Good afternoon everyone! Did you know that animals are divided into two main groups? These two groups are the invertebrates and the vertebrates. Today we will focus on invertebrates. An invertebrate is an animal that does not have a backbone (spine). Some examples of an invertebrate are dragonflies, clams, and worms. Most of Earth's animals are invertebrates! Some scientists think that 97% of all animals are invertebrates. That's a lot!
Let's take a closer look at some invertebrates that live in the Gulf of Mexico. These invertebrates were caught during the August 2015 DEEPEND cruise!
Check out the eyes on this crab:
Wow, this shrimp is very colorful:
Look at the pinchers on this lobster:
I can't believe I get to share my home with all of these amazing invertebrates. Scientists think the giant squid is the largest invertebrate on Earth. Even though I'm a different squid species, I'm also an invertebrate! That's all for today, thanks for joining me!
Have you ever heard of the giant squid? The giant squid lives in the abyssopelagic layer of the water column. Many invertebrate that live deep in the ocean are giant, or at least bigger than normal. Deep sea gigantism is where animals grow to an abnormally big size. Check out this photo of the largest crab in the world, Macrocheira kaemferi, from Japan being held by scientist Dante Fenolio.
Scientists are researching what causes deep sea gigantism. Some scientists think it is due to the high pressure exerted on the animals at these depths. Others think it is due to the scarcity of food. What do you think causes deep sea gigantism?