The Florida blue crayfish, or blue devil shrimp, belongs to the class of freshwater lobsters. Because there are many kinds of blue freshwater crayfish, and there are many kinds of freshwater crayfish itself is not the natural color of blue, but can produce pure blue varieties, therefore, led to today's "blue devil shrimp" the concept of this term is quite vague. Lobsters are omnivorous, eating fresh grass roots, humus, aquatic plankton and artificial feed! Fertilizing the water and sinking some fresh grass into the water regularly or planting some aquatic plants alone will also work! Although tolerant of low oxygen, it is more beneficial to increase the growth rate when the dissolved oxygen in the water reaches 4 mg/liter or more.

Initially, refers to the United States originating in Florida, a shell bright blue freshwater lobster, which is commonly known abroad as Florida crayfish, that is, "Florida lobster", the importer introduced this species, will be known as "blue devil shrimp "Florida crayfish was originally exported from the United States to Germany as an ornamental shrimp, but the first batch of Florida crayfish introduced into Germany were all male shrimp, not a single female shrimp, which was the first time the U.S. exporters had to avoid this species. This was a tactic used by U.S. exporters to avoid breeding the shrimp abroad. Later on, a few Florida crayfish were distributed to Germany through other channels and were able to reproduce and develop in Germany. Later on, it is needless to say, Japan, China, Taiwan, Hong Kong and other countries and regions have the introduction of this shrimp.

Lobster shrimp is produced in the United States, not Australian freshwater lobster, blue lobster is a lobster in the body color blue one. Because it is a solitary female monogamous reproduction, the chance of mutation is greater, and some other colors may appear.