Jenynsia luxata, a new species from Northwestern Argentina, with additional observations of J. maculata Regan and phylogeny of the genus (Cyprinodontiformes: Anablepidae)
Author
Aguilera, Gastón
Fundación Miguel Lillo - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Miguel Lillo 251, San Miguel de Tucumán, CP 4000. Tucumán, Argentina.
aguileragaston@gmail.com
Author
Mirande, Juan Marcos
Fundación Miguel Lillo - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Miguel Lillo 251, San Miguel de Tucumán, CP 4000. Tucumán, Argentina.
mcmirande@gmail.com
Author
Calviño, Pablo A.
KCA, Grupo de estudio del Killi Club Argentino, Independencia 443, Villa Ballester 1653, Buenos Aires, Argentina.
pablocalvin@yahoo.com.ar
Author
Lobo, Luis Fernando
Fundación Miguel Lillo - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Miguel Lillo 251, San Miguel de Tucumán, CP 4000. Tucumán, Argentina.
text
Neotropical Ichthyology
2013
2013-09-30
11
3
565
572
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000300565&lng=en&tlng=en
journal article
314041
10.1590/S1679-62252013000300009
1545dfc4-74c1-4cf5-82b3-fafaafbe38e8
1982-0224
12652044
Table 1. Descriptive morphometrics of Jenynsia luxata. SD = standard deviation.| Character | Holotype | Males Paratypes (n = 8) | Females Paratypes (n = 16) |
|---|
| Range | Mean | SD | Range | Mean | SD |
|---|
| Standard length (mm) | 24.4 | 17.3 - 30.4 | 22.8 | | 26.5 - 44.3 | 33.4 | |
|---|
| Percents of standard length |
|---|
| Head length | 28.9 | 25.4 - 29.4 | 27.8 | 1.4 | 26.9 - 29.3 | 28.1 | 0.8 |
|---|
| Predorsal length | 60.0 | 60.0 - 64.5 | 62.2 | 1.8 | 63.7 - 68.3 | 65.9 | 1.4 |
|---|
| Snout to pectoral fin | 31.3 | 29.2 - 33.2 | 31.3 | 1.3 | 27.9 - 32.9 | 30.0 | 1.4 |
|---|
| Snout to pelvic fin | 51.4 | 48.3 - 56.4 | 52.8 | 2.3 | 52.8 - 58.3 | 55.6 | 1.6 |
|---|
| Peduncle depth | 16.6 | 15.0 - 17.4 | 16.4 | 0.9 | 13.8 - 16.5 | 14.8 | 0.7 |
|---|
| Caudal peduncle | 34.1 | 32.2 - 36.2 | 34.2 | 1.3 | 26.1 - 33.0 | 29.7 | 2.1 |
|---|
| Gonopodium length | 26.5 | 21.8 - 30.5 | 25.9 | 2.6 | - | - | - |
|---|
| Percents of head length |
|---|
| Snout length | 25.2 | 19.3 - 29.9 | 25.9 | 3.9 | 25.3 - 33.3 | 28.8 | 2.2 |
|---|
| Post orbital length | 44.5 | 42.4 - 54.2 | 47.5 | 3.8 | 42.0 - 48.6 | 46.0 | 1.7 |
|---|
| Eye diameter | 33.1 | 31.0 - 39.2 | 34.6 | 2.8 | 26.1 - 33.1 | 29.2 | 1.7 |
|---|
| Interorbital width | 45.3 | 41.4 - 57.8 | 47.7 | 5.4 | 42.3 - 51.3 | 46.7 | 2.4 |
|---|