Etmopterus hillianus
whale shark
whale shark
the worlds biggest is the whale shark and the smallest is the kandiru
whale shark and pandaca pygmea
The smallest known shark, the dwarf lantern shark, is only about 8 inches long. Even so, this little fish has a full set of tiny teeth, the smallest shark teeth there are.
Bacteria
worlds smallest is kurtis guest
the Whale Shark
From smallest to biggest: Herring Piranha Salmon Shark
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.