Question

which of the following is most unmatching group
1)cockroach,king crab,spider,silver fish
2)whale,bat,lizard,seahorses
3)starfish,sea urchin,sea cucumber
4)crayfish ,cuttlefish,sawfish,hagfish​

Answer 1

I dont know the answer please ask someone

Answer 2

Answer:

I THINK THE FIRST ONE IS THE MOST UNMATCHING GROUP