If the topic is commonly known as a different place? , ? Brown fish, pond fish, roller fish? Scientific name?

A genus of the family Heridae? Decapoda? marine fishes

What is the picture below? ? Blue round squid? Decapoda? Marussi? Commonly known as Spinibarbus, stickleback, pond fish, yellow croaker, pond fish and cooked fish.

A lot of meat is very thick and has fewer thorns, which is one of the fish that seaside people often eat.