Squids are carnivorous molluscs called cephalopods that have eight arms and gills with a circulatory system of three hearts. They range in size from sixteen centimeters to thirty metres long and while they lack ears, they have very good vision.

2. The squids are carnivorous mollucs and invertebrates
called cephalopods.
The squid has eight arms.
They have gills and a circulatory system with three
hearts.
They are sixteen centimeters to thirty metres long.
They haven´t a developed ear, but they have a very
good vision.