Thor manningi
Thor manningi is a species of shrimp. The common name for this species is the Manning grass shrimp. On average the life span in this species is 4 to 5 months. The species uses drag powered swimming to move from place to place. Distribution
Thor manningi has an amphiamerican distribution, found in shallow coastal regions of the Western Atlantic, including off the coast of South Carolina in the United States, and the East Pacific. Reproduction
Thor manningi is a trioecious species with males, females and protandrous hermaphrodites. Individuals approaching sex change have a mixture of male and female characteristics. In this species 50% of the population are males, 49% protandric hermaphrodites, and 1% are females. References 

Alpheoidea