Vertical length of the about 45mm. |
It's just floating like a balloon.
Most of the body, it has been protected in this shell. |
The shell has ridge line on back and side. |
This specimen has Rostrum and Median spine. However, It's look like a little defective Rostrum in this individual. Probably, the original rostrum slightly longer than this photo. |
And, there has shorter and obtuse of Postero-lateral spine. |
REFERENCES
Carolin Haug & Joachim T Haug, 2014. Defensive enrolment in mantis shrimp larvae (Malacostraca: Stomatopoda) Contributions to Zoology, 83 (3).
http://www.ctoz.nl/vol83/nr03/a03
Sidney Joseph & Townsley, 1953. Adult and Larval Stomatopod Crustaceans. Occurring in Hawaiian Waters. Pacific Science, Vol. VII p399-437.