The short-spined sea scorpion belongs to the taxonomic family of cottids. With spines on their gill-covers and bony plates on their heads they look ready for a fight. This “armour” looks almost menacing to us humans.
But, in fact, these nocturnal sea scorpions like to lurk in the sand or on stones waiting to prey on worms and small crustaceans
Baltic Sea LIFE - DISCOVER.UNDERSTAND.PROTECT.