| AUV |
Autonomous Underwater Vehicle |
| EEZ |
Exclusive economic zone |
| ENS |
Expected number of species |
| HOV |
Human occupied vehicle |
| ND |
No data |
| NDS |
Number of described species |
| NDSo |
Number of species recorded in Japanese waters in OBIS |
| NES |
Number of endemic species |
| NIS |
Number of known introduced species |
| NUS |
Number of identified but undescribed species |
| PES |
Percentage of endemic species |
| PRO |
Percentage of species recorded in Japanese waters in OBIS |
| ROV |
Remotely Operated Vehicle |
| tNDS |
Total number of described species |
