type of freshwater shrimp (lobster) entry 2

Freshwater crayfish

(Cherax quadricarinatus).

According to Lowery (1988), Cherax genus is a freshwater shrimp that has a shape like a lobster because it has a large claw and sturdy, and rostrum picak triangular-shaped taper.

In general, freshwater lobster morphologically has the characteristics of the body is divided into 2 parts, namely the head and chest (Chepalothorax) and

the abdomen and the body (Abdomen) as well as the body of Cherax
(Setiawan, 2006; Martusudarmo, 1980). Between the head of the front and the back is known as sub-chepalothorax (Setiawan, 2006). The shell that covers the head is called the carpace, which acts to protect the internal organs, such as the brain, gills, gastrointestinal (hepatic and stomach) organs including hepatopancreas, heart and reproductive organs (Setiawan, 2006; Martusudarmo, 1980). Karapas (chepalothorax cover) is composed of a thick horn or chitin (Setiawan, 2006). This horn is a nitrogen polysaccharide (C8H13Nx) secreted by the epidermis and can be peeled at any given time.