| Common name | Alumahan |
| Language | Tagalog |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | Philippines |
| Locality | Zambales; Metro Manila; Calauag, Quezon; Tayabas Bay (Ref. 47573). |
| Ref. | Herre, A.W.C.T. and A.F. Umali, 1948 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Under the name R. chrysozonus. |