| Ref Utama. | Garavello, J.C.I. and F.A.A. Sampaio, 2010 |
| Penampilan mengacu pada | |
| Bones in OsteoBase |
| Organ khusus | |
| Penampilan berbeda | |
| Warna yang berbeda | |
| Keterangan |
| Fitur yang mencolok | |
| Bentuk tubuh lateral (shape guide) | fusiform / normal |
| Penampang melintang | |
| Profil kepala bagian dorsal | |
| Jenis mata | |
| Jenis mulut/moncong | |
| Posisi mulut | |
| Jenis timbangan | |
| diagnosa |
This species is distinguished from its congeners from the Iguaçu basin by the combination of the following characters: infraorbital 3 deep, but not in contact with preopercle, leaving a narrow naked area between border and preopercle; premaxillary external series with 4 (rarely 5) pentacuspid teeth; non-symphysial teeth in premaxillary internal series heptacuspid; vertical humeral bar with dorsal portion much wider than ventral portion; a faint and diffuse 'post-humeral' spot; lateral line scales 36-40, usually 37 or 38; first branchial arch with 7-9, usually 8, rakers in upper branch and 10-13, usually 12, rakers in lower branch (Ref. 85756). |
| Kemudahan Identifikasi |
| Garis Lateral | Terganggu: No |
| Sisik pada garis lateral | |
| Sisik garis lateral berpori-pori | 36 - 40 |
| Timbangan dalam seri lateral | |
| Baris skala di atas garis lateral | 6 - 7 |
| Baris skala di bawah garis lateral | 4 - 6 |
| Sisik di sekitar tangkai ekor | 15 - 16 |
| Barbel | |
| Celah insang (hanya hiu/pari) | |
| Pengangkat insang | |
| pada tungkai bawah | |
| pada tungkai atas | |
| Keseluruhan (total) | |
| vertebrata, bertulang belakang | |
| preanal | |
| Keseluruhan (total) |
| Atribut | |
| Nomor sirip | |
| No. | Dorsal |
| Ventral | |
| Total duri | |
| Total sinar lembut | 9 - 10 |
| Sirip adiposa |
| Atribut |
| Nomor sirip | |
| Total duri | |
| Total sinar lembut | 19 - 24 |
| Dada | Atribut |
| Duri | |
| Sinar lembut 11 - 14 | |
| Panggul | Atribut |
| Posisi | |
| Duri 1 | |
| Sinar lembut 7 - 8 |