Which animal is an invertebrate kangaroo fish dog or grasshopper?

Kangaroos and Fish are both in the Phylum Chodata and Subphylum Vertebrata. The Grasshopper belongs to the Phylum Arthropoda and Subphylum Hexapoda. Anything that is not categorized in the Phylum Chordata and Subphylum Vertebrata is considered an invertebrate

In short, the grasshopper is the invertebrate