The main difference is that the family is different, different morphological characteristics, habitat distribution is different, as follows:

A, the family is different

1, the shrimp

Basic shrimp is generally referred to as the forehead of the new shrimp, commonly known as the sand shrimp, mud shrimp, belonging to the Crustacea, decapods, prawns, shrimp, new shrimp genus.

2, South American white shrimp

Also known as Vannamei shrimp, white limb shrimp, white shrimp, Vannabin shrimp, belonging to the Crustacea, Decapoda, Prawns, Prawns.

Second, different morphological characteristics

1, the basal shrimp

Body color yellow to brown, swimming feet brown or red. Body surface in addition to the ridge, the edge of the part and the lower part of the abdomen on both sides of the front, there are many short hairs, the body surface distribution of many black spots. The frontal horns are flat and straight, sharp knife-shaped in males and slightly curved upwards at the end in females. The first step of the foot is armed with a loculicidal spine. Frontal horns 6-9-toothed, abdominal segments I-VI with longitudinal ridges on the dorsal surface, caudal segment without lateral spines, first step of the pedipalp with basal segmental spines but smaller than basal segmental spines.

2, South American white shrimp

Normal body color is greenish blue or light greenish gray, the whole body does not have mottled. Footsteps are often chalky, so there is a white limb shrimp called. Cephalothoracic armor is shorter, and the ratio of the abdomen is about 1:3; frontal horn lateral groove is short, to the stomach below the upper spine that disappeared, cephalothoracic armor with liver spines and gill horn spines, liver spines are obvious, the first antennae with a double whip, the inner whip is more than the outer whip is slim, roughly equal in length, but they are all short, abdominal segments 4-6 with dorsal spine, the caudal segment with a central groove, but does not have a rim of lateral spines.

Three, different habitat distribution

1, the basal shrimp

In China, mainly distributed in Fujian, Taiwan, Guangdong and Guangxi coast, often inhabiting the sandy or muddy sandy bottom sea area, the ability to adapt to the environment, like to lurk in the substrate, the temperature range of 12 ~ 37 ℃, the optimal water temperature of 25 ℃ ~ 28 ℃, higher than 33 ℃ or lower than 16 ℃, the amount of feeding The feeding quantity will be obviously reduced when it is higher than 33℃ or lower than 16℃.

2, South American white shrimp

native to the waters of the Pacific coast of South America, mainly distributed in the western United States in the tropical waters of the Pacific coast, from the Gulf of Mexico to the middle of Peru are distributed to the waters near Ecuador is more concentrated. Natural habitat area for the muddy seabed, water depth 0 to 72 meters. Adult shrimp live closer to the shore in coastal waters, the growth of suitable water temperature of 13 ~ 40 ℃, the optimal temperature for growth of 23 ~ 30 ℃. Water temperature below 16 ℃ began to stop feeding.

Baidu Encyclopedia - basiji shrimp

Baidu Encyclopedia - South American white shrimp