A revision of the genus Astatoreochromis (Teleostei, Cichlidae), East-Africa
Author
Banyankimbona, Gaspard
Author
Vreven, Emmanuel
Author
Snoeks, Jos
text
European Journal of Taxonomy
2013
2013-02-22
39
1
21
journal article
22326
10.5852/ejt.2013.39
e0694ecc-c114-4621-9209-ad8abdb60b9f
2118-9773
3814023
D40E1DD7-6472-4EA7-B2C2-242F601B1FD3
Table 5. Measurements and meristics for Astatoreochromis straeleni (Poll, 1944) and A. alluaudi Pellegrin, 1904. | | A. straeleni | | A. alluaudi | |
|---|
| Holotype | 86 specimens | Lectotype | 87 specimens |
|---|
| MORPHOMETRICS | | Mean±SD Range | | Mean ±SD Range |
|---|
| Standard Length | 78.9 | 70.0±11.6 43.7-111.3 | 121.7 | 81±21.4 | 44.8-137.5 |
|---|
| As % of standard length |
|---|
| Head length | 36.2 | 34.7±1.3 31.8-38.1 | 33.4 | 35.3 ±1.4 | 31.7-39.2 |
|---|
| Body depth | 37.3 | 35.5±1.8 30.9-39.7 | 36.9 | 36.5 ±1.5 | 33.5-41.1 |
|---|
| Dorsal fin base | 57.8 | 58.2±2.2 52.7-63.6 | 59.5 | 57.4 ±1.9 | 52.9-61 |
|---|
| Anal fin base | 23.3 | 23.7±1.2 21.2-26.4 | 27.0 | 24.7 ±1.2 | 21.2-27.9 |
|---|
| Predorsal distance | 35.1 | 35.4±1.6 31.6-38.0 | 35.2 | 36.6±1.7 | 31.1-41.1 |
|---|
| Prepectoral distance | 40.9 | 37.5±1.8 33.4-45.4 | 34.8 | 37.5 ±1.7 | 33.3-41.1 |
|---|
| Preventral distance | 48.5 | 42.8±2.5 39.8-54.9 | 41.6 | 43.1 ±1.7 | 40.1-48.3 |
|---|
| Preanal distance | 69.3 | 66.1±1.7 61.7-71.0 | 66.1 | 65.3±1.8 | 62.4-71.9 |
|---|
| Caudal peduncle length | 11.5 | 13.2±1.0 10.4-15.8 | 14.0 | 12.6±1.2 | 9.7-15.2 |
|---|
| Caudal peduncle depth | 12.4 | 12.3±0.5 10.9-13.3 | 13.1 | 11.8 ±0.6 | 10.4-13.5 |
|---|
| As % of head length |
|---|
| Lacrymal depth | 13.3 | 14.1±0.9 11.0-16.6 | 15.8 | 14.3 ±1.2 | 12.2-17.4 |
|---|
| Snout length | 30.1 | 27.5±1.5 24.6±-31.6 | 29.8 | 28.7 ±1.9 | 24.1-31.6 |
|---|
| Lower jaw length | 40.6 | 40.5±1.9 34.2-45.9 | 38.7 | 40.8 ±2.2 | 35.3-47.9 |
|---|
| Premaxillary pedicel length | 27.3 | 27.5±1.5 24.3-31.4 | 27.6 | 26.9 ±1.4 | 22.2-29.3 |
|---|
| Cheek depth | 25.5 | 23.6±2.1 17.7-28.2 | 25.4 | 23.9 ±2.1 | 19.1-28.2 |
|---|
| Eye diameter | 28.0 | 29.0±1.8 24.5-34.9 | 24.6 | 27.7 ±2.3 | 23.5-33.3 |
|---|
| Inter-orbital width | 25.9 | 27.5±1.8 23.6-32.1 | 30.8 | 27.8 ±1.6 | 23.6-32.1 |
|---|
| Head width | 42.0 | 43.7±1.7 39.6-47.7 | 46.1 | 43.8 ±1.8 | 40.3-49.2 |
|---|
| Pharyngeal jaw length | - | 34.0±2.1 29.5-39.9 | 36.2 | 34.2±2.0 | 30.2-39.5 |
|---|
| Pharyngeal jaw width | - | 30.9±2.4 26.9-37.6 | 36.9 | 32.9±2.6 | 28.7-40.6 |
|---|
| Dental area length | - | 20.2±2.2 16.3-25.7 | 24.4 | 21.6±2.1 | 17.1-27.6 |
|---|
| Dental area width | - | 21.9±1.4 18.5-25.6 | 22.7 | 23.5 ±1.5 | 19.0-27.7 |
|---|
| As % of head width |
|---|
| Inter-orbital width | 61.7 | 63.5±3.9 56.4-72.7 | 66.8 | 63.5 ±3.7 | 55.1-73.1 |
|---|
| As % of caudal peduncle length |
|---|
| Caudal peduncle depth | 107.7 | 2.0±8.0 76.6-125.0 | 93.5 | 93.7 ±10.5 71.4-122.4 |
|---|
| MERISTICS |
|---|
| Upper jaw teeth (outer row) | 41 | 32-56 | 32 | 28-48 |
|---|
| Lower jaw teeth (outer row) | 34 | 23-44 | 30 | 20-42 |
|---|
| Upper inner teeth rows | 2 | 1-3 | 2 | 1-3 |
|---|
| Lower inner teeth rows | 2 | 1-3 | 2 | 1-3 |
|---|
| Gill rakers | 8-1-2 | (8-11)-1-(1-3) | 9-1-2 | (7-10)-1-(1-4) |
|---|
| Dorsal fin formula | XVIII/8 | XVI-XIX / 8-10 | VXVIII/8 | XVI-XX / 6-9 |
|---|
| Anal fin formula | III/9 | III-IV / 8-10 | V/7 | IV-VII / 6-9 |
|---|
| Pectoral fin rays | 13 | 11-14 | 14 | 13-15 |
|---|
| Longitudinal line scales | 29 | 28-33 | 30 | 26-32 |
|---|
| Lateral line scales | 19/7 | 17-22/6-13 | 17/12 | 16-22/7-13 |
|---|
| Transversal line scales | 4/7 | 3-5/7-9 | 4/8 | 3-5/7-10 |
|---|
| Scales Pectoral-Pelvic | 5 | 3-6 | 4 | 3-6 |
|---|
| Cheek scales | 4 | 3-5 | 4 | 3-5 |
|---|