Thor manningi explained

Thor manningi is a species of shrimp. The common name for this species is the Manning grass shrimp.^[1] On average the life span in this species is 4 to 5 months.^[2] 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,^[3] and the East Pacific.^[4]

Reproduction

Thor manningi is a trioecious species with males, females and protandrous hermaphrodites.^[5] Individuals approaching sex change have a mixture of male and female characteristics.^[6] In this species 50% of the population are males, 49% protandric hermaphrodites, and 1% are females.^[7]

Notes and References

1. Web site: ADW: Thor manningi: CLASSIFICATION. 2021-09-05. animaldiversity.org.
2. Book: Schram. Frederick. Treatise on Zoology - Anatomy, Taxonomy, Biology. The Crustacea, Volume 9 Part A: Eucarida: Euphausiacea, Amphionidacea, and Decapoda (partim). Klein. Carel von Vaupel. Charmantier-Daures. M.. Forest. J.. 2010-12-17. BRILL. 978-90-04-16441-3. 180. en.
3. Web site: Thor manningi . NatureServe Explorer An online encyclopedia of life. 7.1 . NatureServe . 1 November 2023.
4. Rubén Ríos. Alberto Carvacho. and. Caridean Shrimps of the Gulf of California. I. New Records, with Some Remarks on Amphiamerican Distribution. January 1982. Pacific Science. 36. 4 .
5. Book: Fusco. Giuseppe. The Biology of Reproduction. Minelli. Alessandro. 2019-10-10. Cambridge University Press. 978-1-108-49985-9. 134–135. en.
6. Book: Bauer, Raymond T.. Remarkable Shrimps: Adaptations and Natural History of the Carideans. 2004. University of Oklahoma Press. 978-0-8061-3555-7. 126. en.
7. Book: Leonard, Janet L.. Transitions Between Sexual Systems: Understanding the Mechanisms of, and Pathways Between, Dioecy, Hermaphroditism and Other Sexual Systems. 2019-05-21. Springer. 978-3-319-94139-4. 283. en.