1, the definition of different

Keeled shrimp: knife amount of new shrimp commonly known as mud shrimp, hemp shrimp, flower tiger shrimp, tiger shrimp, sand shrimp, red-clawed shrimp, Lu shrimp, commercially known as Keeled shrimp.

Sand shrimp: sand shrimp is a common economic shrimp along the southeast coast of Guangdong, China, belonging to the shrimp family, the new shrimp genus, commonly known as wool shrimp, yellow shrimp, station shrimp, hemp shrimp, yellow shrimp, etc., the flavor is extremely tasty.

2, different morphological characteristics

Basic shrimp: body light brown, frontal angle of the upper edge of 6 to 9 teeth, the lower edge of the toothless.

No central groove, the first antennal whip about 1/2 of the cephalothoracic armor technology, abdominal section l to 6 dorsal mask longitudinal ridges, caudal section without lateral spines.

First pair of pedipalps with septal spines, last pair of pedipalps without exopods.

The morphology of the new shrimp near the edge of the shrimp is similar to the new shrimp, the difference is that its abdominal swimming limbs bright red, the male connector is "Y" shaped, the female connector is "C" shaped, the central plate in the shape of a table.

Sand shrimp: the new shrimp body shape slightly pike-shaped, thicker shell, the body surface in addition to the ridge and the edge of the part of the body covered with a lot of short hairs, the lower part of the inner abdomen is smooth and hairless, the body surface are covered with a lot of black dots.

The whole body is obviously divided into the head thorax and abdomen, *** by 20 body segments, of which the head 5 sections, 8 sections of the thorax, abdomen 7 sections. Each segment has 1 pair of appendages except the caudal segment. The head and thorax are fused and covered by cephalothoracic armor.

3, the price is different

Sand shrimp appearance is similar to shrimp, but the price is much cheaper, so some merchants use sand shrimp or sand shrimp and shrimp hybrid shrimp to pretend to be "kiwi shrimp" sand shrimp on the surface of the light gray spots, shaped a little bit like hemp, kiwi shrimp is almost no spots.

Basic shrimp fan-shaped tail is colored, consisting of light yellow, green and other color bands, sand shrimp tail and shrimp body color close.

4, species distribution and origin of different

Kiwi shrimp: native to China, Japan, the Philippines, Malaysia, Indonesia and Australia, mainly distributed in the east coast of Japan, the East China Sea and the South China Sea, the Philippines, Malaysia, Indonesia and Australia.

Shrimp: the new shrimp genus has been found in 26 species, all produced in India - Western Pacific waters, China's offshore found six species, mainly produced in the South China Sea and the East China Sea, the Yellow Sea only one species.

Artificial culture is mainly near the edge of the new shrimp and new shrimp frontal.