| Common name | Lam do |
| Language | Cantonese |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Territory | Hong Kong |
| Locality | |
| Ref. | Man, S.H. and I.J. Hodgkiss, 1981 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | 'Lam do', i.e., blue knife, alluding to the appearance of this against sunlight. Also Ref. 129476. |