Description of two new species of Physopyxis and redescription of P. lyra (Siluriformes: Doradidae)
Author
Sousa, Leandro M.
Instituto Nacional de Pesquisas daAmazônia – INPA, Av. AndréAraújo, 2936, Petrópolis, 69011 - 830 Manaus, AM, Brazil
leandro.m.sousa@gmail.com
Author
Rapp Py-Daniel, Lúcia H.
Instituto Nacional de Pesquisas daAmazônia – INPA, Av. AndréAraújo, 2936, Petrópolis, 69011 - 830 Manaus, AM, Brazil
rapp@inpa.gov.br
text
Neotropical Ichthyology
2005
2005-12-31
3
4
625
636
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000400019&lng=en&tlng=en
journal article
311226
10.1590/S1679-62252005000400019
5ac8ef2e-db37-46db-9e85-3f383e16ed67
1982-0224
5418073
Table 3. Descriptive morphometrics and counts of Physopyxis cristata (N = 10). SD = Standard deviation. Hol = Holotype. | Hol | Range | Mean (SD) |
|---|
| Standard length (mm) | 22.73 | 10.64–22.73 | |
|---|
| Total length (mm) | 30.17 | 13.51–30.17 | |
|---|
| Percent of Standard length |
|---|
| Pre-dorsal length | 40.65 | 39.40–41.11 | 40.04 (0.63) |
|---|
| Dorsal fin base | 12.76 | 10.76–13.66 | 12.6 (0.99) |
|---|
| Body depth | 28.68 | 27.17–30.14 | 29.03 (1.03) |
|---|
| Dorsal-adipose fin length | 26 | 22.37–26.0 | 23.98 (1.22) |
|---|
| Adipose-caudal fin length | 9.85 | 9.85–14.38 | 11.54 (1.52) |
|---|
| Pre-pectoral length | 29.3 | 26.27–29.70 | 28.52 (1.08) |
|---|
| Pre-pelvic length | 50.68 | 45.65–52.77 | 49.93 (2.41) |
|---|
| Pre-anal length | 63.22 | 60.84–65.35 | 62.97 (1.51) |
|---|
| Anal fin base | 22.88 | 22.72–25.04 | 23.48 (0.77) |
|---|
| Caudal peduncle length | 7.83 | 4.92–8.46 | 7.03 (1.08) |
|---|
| Caudal peduncle depth | 10.07 | 9.42–10.62 | 10.06 (0.37) |
|---|
| Lateral plate depth | 4.14 | 2.35–4.14 | 3.15 (0.68) |
|---|
| Superior lateral plate portion depth | - | - | - |
|---|
| Inferior lateral plate portion depth | - | - | - |
|---|
| Body depth at 4th plate | - | - | - |
|---|
| Dorsal spine length | 29.3 | 26.63–35.51 | 31.22 (3.39) |
|---|
| Pectoral spine length | 40.61 | 34.57–41.48 | 38.33 (2.65) |
|---|
| Head length | 28.2 | 26.64–29.27 | 28.11 (0.8) |
|---|
| Maxillary barbel length | 42.89 | 29.07–42.89 | 36.04 (5.79) |
|---|
| Scapular girdle width | 38.36 | 38.36–42.11 | 39.6 (1.29) |
|---|
| Postcleithral process length | 8.8 | 5.93–10.19 | 8.35 (1.57) |
|---|
| Coracoid process length | 21.21 | 19.66–22.84 | 20.97 (1.04) |
|---|
| Pectoral girdle mesial suture | 18.52 | 17.71–20.02 | 18.71 (0.76) |
|---|
| Dist between coracoid process tips | 22.44 | 16.49–22.44 | 20.03 (1.78) |
|---|
| Coracoid width | 28.16 | 24.37–28.62 | 26.81 (1.54) |
|---|
| Percent of Head length |
|---|
| Head depth | 88.3 | 85.10–96.34 | 91.11 (3.75) |
|---|
| Orbital diameter | 13.42 | 13.42–25.16 | 20.89 (3.18) |
|---|
| Interorbital width | 48.05 | 48.05–56.95 | 54.01 (3.18) |
|---|
| Mouth inner width | 39.01 | 38.95–47.45 | 42.57 (2.99) |
|---|
| Snout length | 35.41 | 32.12–38.38 | 34.48 (2.17) |
|---|
| Counts | Mode |
|---|
| Dorsal fin rays | I+5 | I + 4–5 | I+5 |
|---|
| Pectoral fin rays | I+4 | I + 3–4 | I+4 |
|---|
| Pelvic fin rays | 7 | 7 | 7 |
|---|
| Anal fin rays | 15 | 13–17 | 15 |
|---|
| Caudal fin rays | 11 | 10–12 | 12 |
|---|
| Dorsal spine serrae | 5 | 4–7 | 5 |
|---|
| Lateral plates | 10 | 5–12 | 10 |
|---|