| 1 | The aft ventral strakes are undesirable from an RCS perspective (Chinese Internet). | |
| 2 | Absent in some species, the apodal fishes. | |
| 3 | Royal blue : deep dark grain-flower-blue without other colour portions. The ventrals may have white or black peaks. | |
| 4 | Anterior dermal window of light organ between insertions of pelvic fins. | |
| 5 | Small scale, only ventral cortex ventral fin and even anal with abdominal edge. |
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