The Blog Aquatic

Donate Today

The Blog Aquatic

News, opinions, photos and facts from Ocean Conservancy

11
Comments

What’s Lurking in the Ocean’s Depths?

Posted On October 29, 2014 by

Trick or treating in the ocean can be a matter of life or death. Meet four ocean creatures who might just surprise you!

Vampire Squid

You’ve no doubt heard of the famous vampire bat, but did you know that there’s a vampire squid? Don’t worry. It won’t fly out of the ocean to suck your blood. These cephalopods don’t even spray ink like other squids. They produce a bioluminescent mucus cloud that can glow for up to 10 minutes. They were given their names due to their blood red eyes, which can also look blue depending the lighting. Their bodies definitely reflect the gothic nature of vampires by being black or red. A web like material connects their tentacles. They can even envelop their bodies in their tentacles and webbing to shield themselves from predators.

Vampire squids live in really cold depths of the ocean with very little oxygen. This makes them far less threatening to humans than their name suggests. In order to conserve energy, they simply drift along the ocean currents and only eat dead plankton and fecal matter. Instead of fangs, vampire squids eat with their beaks.

Continue reading »

45
Comments

Happy World Octopus Day!

Posted On October 8, 2014 by

Photo: Jonas Gozjak

It’s impossible not to love octopuses. These cephalopods seem to have every evolutionary advantage you could imagine. Here are six of our favorites:

  1. The first and most obvious (it’s even in their name) is that octopuses have eight arms. Their arms are for much more than just reaching a difficult itch. If threatened, an octopus can sever one of its own arms to get away. The lost limb will grow back completely with all of its function. Because of its nine brains and more than half of its neurons being in its arms, individual arms can solve problems—like opening a jar—independently from the rest of the body. Octopuses also taste things by feeling them with their arms and skin.
  2. The beak is the only hard part of an octopus’ body, making it an extremely flexible animal. They can fit through anything as long as their beak can. Octopuses use their beaks to crack into their favorite shellfish meals. They can also produce a neurotoxin that paralyzes their prey and enzymes that help break down their food. The only octopus in the world with venom dangerous to humans is the blue-ringed octopus found in the Pacific and Indian Oceans.
    Continue reading »