Jellyfish: what are they and what types are there?
There are many types of jellyfish in the Mediterranean, depending on the type we are talking about, their sting can reach...
invertebrates
How many hearts does an octopus have?
Octopuses are extraordinary animals. In this article, we aim to clarify some of the same doubts and comment on some curiosities,...
What are Sponges or Porifera and their Characteristics
Sometimes it can be thought that the more sophisticated and complex a system is, the longer it lasts and the greater its performance...