Etmopterus hillianus
whale shark
whale shark
the worlds biggest is the whale shark and the smallest is the kandiru
whale shark and pandaca pygmea
From smallest to biggest: Herring Piranha Salmon Shark
the Whale Shark
Bacteria
worlds smallest is kurtis guest
No, the smallest shark is actually the dwarf lanternshark, which grows to be about 7-8 inches long. The cookiecutter shark, while small in comparison to other sharks, can reach lengths of about 16-22 inches.
lemon shark
The microorganism is SAR11, the smallest free living cell known and probably the most abundant organism in the seas
The atom is the smallest unit containing a nucleus. However, this is not considered living. The smallest living thing in the world (besides viruses) are a parasitic Bacterium called Mycoplasma Gallicepticum.