The Florida horse conch (Triplofusus giganteus) is one of the largest univalve gastropods in the entire world. Its shell can get up to 24 inches (60 cm) long and is found on the Atlantic coast of North America, ranging from North Carolina down to the Gulf of Mexico. They feed on other gastropods and can even be cannibalistic. Despite the shape of the shell (and the common name), this isn’t a true conch because it isn’t in the Strombidae family.
Tardigrade (aka water bear or moss piglet); a moss-dwelling micro-animal, can survive extremes of temperature, pressure, radiation, and the vacuum of outer space and live. The name water bear comes from the way they walk, reminiscent of a bear's gait. The biggest adults may reach a body length of 1.5 mm (0.059 in), the smallest below 0.1 mm (Grain of Salt = 0.3mm. Newly hatched tardigrades may be smaller than 0.05 mm. They can live 10 years