marine biology

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Yoooo I haven’t really been on this blog in months and I seriously need new content! So if you post any of the following:

  • sea/ocean/marine life, animals, etc
  • nature/animal scenery
  • pokemon
  • silent hill series
  • danganronpa series
  • crash bandicoot, spyro, oldies games
  • homestuck
  • anime in general
  • furries
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  • fresh prince of bel-air and old shows like that
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  • shitty movies (sharknado, thankskilling, the room etc)
  • miyazaki films
  • anything cool or funny

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What is it like to be a shark?

by Saṃsāran  

You are hungry. If you come across a lot of food like a whale carcass you will gorge until you must throw it back up again. Always hungry. Everything in your universe is divided into three categories: things I can eat, things that will eat me and things that I can safely ignore. 

Even though you are in the cold, cold sea you do not feel cold. You are cold blooded meaning that the temperature of your body is always that of the surrounding water.

Your hearing is quite good but different from human hearing. Sound travels differently in water so your hearing is more like sonar in that it gives you location and approximate distance from the object. Your eyes see color though not as well as a human’s eyes. Your sense of smell is incredible and can pick up a scent with just a few molecules per cubic centimeter. 

You have a sense that no modern human possesses but one we used to possess and that is electromagnetic imaging. You can pick up the presence of a prey animal by the electric signals their muscles give off. That’s right New Agers. Sharks hunt using the aura. You can also detect magnetic lines of force on the sea floor which guide you like an internal GPS. 

Sharks cannot get lost.

my employer is currently looking for more people to start training on May 8th and there’s a $300 referral bonus in it for dis broke bitch soooooo if you’re an interested biologist who wants to work as a west coast fisheries observer, pm me for details and I’ll try to hook you up 🐠👌🏻✨

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Giant squids might be even bigger than we realized

According to research from Charles Paxton, fisheries ecologist and statistician at Scotland’s University of St. Andrews, published in the Journal of Zoology this month, the giant squid could grow to reach as much as 65 feet. But even that is a “conservative analysis,” as size could protect against their #1 predator.

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The harp sponge, or Chondrocladia lyra, is a species of deep-sea carnivorous sponge. Researches with the Monterrey Bay Research Aquarium Institute discovered in 2012 at a depth of nearly two miles below sea level. The sponge preys upon small crustaceans using sharp spicules - tiny, velcro-like hooks - to capture prey, then secretes a digestive membrane to envelop and break it down into particles small enough to be absorbed through the sponge’s pores. 

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closely related to sharks but with long, flat bodies and wing-like pectoral fins, mobula rays are ideally suited to swooping through the water - here off the gulf of california - yet seem equally at home in the air, so much so that they have earned the name “flying rays”. mobula rays can reach heights of more than two metres, remaining airborne for several seconds. 

mobula rays are quite elusive and difficult to study, so biologists are not quite sure why they jump out of the water. theories vary from a means of communication, to a mating ritual (though both males and females jump), or as a way to shed themselves of parasites. they could also be jumping as a way of better corralling their pray, as seen with them swimming in a circular formation. 

what is known about mobula rays is that they reach sexual maturity late and their investment in their offspring is more akin to mammals than other fishes, usually producing just a single pup after long pregnancies, all of which makes them extremely vulnerable to commercial fishing, especially as a species that likes to come together in large groups.

Wonderful Comb Jellies

Comb jellies or ctenophora are marine invertebrates that looks like jellyfishes and swims using their combs or large cilia. They are the largest animals who use cilia for locomotion.

Comb jellies are bioluminent. They can produce light.

The above photo shows a comb jelly that belongs to the baroe family. Look at the “combs” of the creature. These are cilia.

It’s a blood belly comb jelly.

This comb jelly is known as sea gooseberry. Why? Look at the photo below to know:

Comb jellies does not have a brain or central nervous system just like a jellyfish.

Comb jellies are voracious eaters. They eat zooplankton. Here is a antarctic ocean ctenophore is eating a krill.