• It is common squid.

• Inhabitant of coastal area.

• It is very active and it swims forwarded and back warded.

• Swimming is aided by propulsion and also with the help of fins.

• Loligo is a carnivore.

• Bilaterally symmetrical.

• Animal is popularly called ‘Sea – arrow’.

• Head is very distinct.

• It consists of an ink – sac, ink gland and ink duct.

• Rapid colour change - Chromatophorous skin.