In terms of taste, the new prawn with knife forehead is tender, black tiger shrimp is Q, prawn is from China, and imported white prawn. If you are talking about South American white prawn, I can't tell much difference between them. Anyway, South American white shrimp should be the most cost-effective, but more people may like live prawns in taste.
It should be noted that strictly speaking, Penaeus monodon should be Penaeus monodon, but Penaeus japonicus or other prawns are often called Penaeus monodon in aquatic products market, which looks like but tastes worse than Penaeus monodon.
I only have the comparative pictures of Penaeus vannamei (South America), Penaeus vannamei (South Pacific), Penaeus monodon (Asia) and Penaeus Madagascar (Madagascar) in terms of color, crispness, meat quality and taste. Penaeus monodon = black tiger shrimp = grass shrimp, Penaeus monodon is superior to Penaeus vannamei in four indexes, but the gloss index score is the same. The index of Penaeus Madagascar is higher than the other three species. :
Tb has only eaten domestic white shrimp.
Shrimp and cooked arctic fish.