What is the weigh of pipefish?

The weight of a pipefish varies depending on the species. The smallest pipefish, the dwarf pipefish (Syngnathus rostellatus), weighs about 0.001 ounces (0.03 grams), while the largest pipefish, the giant pipefish (Syngnathus acus), can weigh up to 1 pound (0.45 kilograms).