Lobsters are invertebrates with a hard protective exoskeleton. In general, lobsters are 25â??50 cm (10 - 20 in) long, and move by slowly walking on the sea floor. However, when they flee, they swim backward quickly by curling and uncurling their abdomens. Datos Scientific Classification Kingdom: Animalia Phylum: Arthropoda Sub Phylum: Crustacea Class: Malacostraca Order: Decapoda Sub Order: Pleocyemata Family: Palinuridae Genus: Panulirus penicillatus Species: Espinosa Scientific name : Panulirus penicillatus
