| Ref Utama. | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
| Penampilan mengacu pada | |
| Bones in OsteoBase |
| Organ khusus | no special organs |
| Penampilan berbeda | males alike females |
| Warna yang berbeda | males alike females |
| Keterangan |
| Fitur yang mencolok | none |
| Bentuk tubuh lateral (shape guide) | elongated |
| Penampang melintang | oval |
| Profil kepala bagian dorsal | clearly convex |
| Jenis mata | more or less normal |
| Jenis mulut/moncong | more or less normal |
| Posisi mulut | sub-terminal/inferior |
| Jenis timbangan | cycloid scales |
| diagnosa |
Body moderately elongate, but somewhat compressed. Snout fairly short, about 3/4 eye diameter; maxilla moderate, tip somewhat bluntly pointed, reaching to inter-operculum; gill cover canals of panamensis-(Mexico) or walkeri-type. Anal fin fairly long, its origin below or a little behind midpoint of dorsal fin base. A narrow silver stripe along flank, about 1/2 eye diameter. |
| Kemudahan Identifikasi |
| Garis Lateral | Terganggu: No |
| Sisik pada garis lateral | 0 - 0 |
| Sisik garis lateral berpori-pori | |
| Timbangan dalam seri lateral | |
| Baris skala di atas garis lateral | 0 - 0 |
| Baris skala di bawah garis lateral | 0 - 0 |
| Sisik di sekitar tangkai ekor | |
| Barbel | 0 |
| Celah insang (hanya hiu/pari) | |
| Pengangkat insang | |
| pada tungkai bawah | 18 - 23 |
| pada tungkai atas | |
| Keseluruhan (total) | |
| vertebrata, bertulang belakang | |
| preanal | |
| Keseluruhan (total) |
| Atribut | no striking attributes |
| Nomor sirip | 1 |
| No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Total duri | 0 - 0 |
| Total sinar lembut | |
| Sirip adiposa | absent |
| Atribut | forked; more or less normal |
| Nomor sirip | 1 |
| Total duri | 0 - 0 |
| Total sinar lembut | 18 - 23 |
| Dada | Atribut more or less normal |
| Duri 0 | |
| Sinar lembut | |
| Panggul | Atribut more or less normal |
| Posisi abdominal before origin of D1 | |
| Duri 0 | |
| Sinar lembut 7 - 7 |