Soowowowowlw,was the day that I was just trying to find out
Answer:They are small because they don't need larger bodies to enable them attach to the females. They don't have fully formed gut because when they reach adulthood their digestive system stops functioning.
Explanation:they then find a female angler fish, attach by bitting into her flesh and fusing to her body. So whatever she eats they eat too.
Location,types that is your answer for this one hope i helped
It allows you to determine the relation between the reactants and the products.