Published May 26, 2023
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TABLE 1 in Description of a geographically variable elongate rock-dwelling cichlid (Cichliformes: Cichlidae) from Lake Malaŵi, Africa
Authors/Creators
- 1. Penn State University, 432 Forest Resources Building, University Park, Pennsylvania 16802, USA. Honorary Research Associate, South African Institute for Aquatic Biodiversity, Makhanda, RSA
- 2. Cichlid Press, PO Box 13608, El Paso, TX 79913
Description
TABLE 1. Morphometric and meristic data for paratypes of Metriaclima melissa from the type locality Chitande Island (n=26), and for non-type material from Chewere (n=19), and from Mbuyu (n=22), Lake Malaŵi. Ranges for the population from Chitande Island include holotype.
| Variable | Holotype | Chitande | Chewere | Mbuyu | |||||
|---|---|---|---|---|---|---|---|---|---|
| Min | Max | Min | Max | Min | Max | ||||
| Standard length (mm) | 60.2 | 51.1 | 71.9 | 48.2 | 65.9 | 49.9 | 72.9 | ||
| Head length (mm) | 17.3 | 15.1 | 21.4 | 15.0 | 19.9 | 15.4 | 21.9 | ||
| Percent head length (%) | Mean | Std Dev | |||||||
| Snout length | 28.8 | 28.4 | 1.4 | 22.6 | 32.3 | 24.5 | 33.2 | 25.3 | 30.6 |
| Postorbital head length | 44.0 | 42.0 | 1.7 | 40.0 | 47.8 | 39.0 | 46.4 | 39.7 | 45.5 |
| Horizontal eye diameter | 30.5 | 32.8 | 1.8 | 27.3 | 35.9 | 28.7 | 34.5 | 30.1 | 35.7 |
| Vertical eye diameter | 29.7 | 33.2 | 3.0 | 26.7 | 37.2 | 27.1 | 35.4 | 25.8 | 38.3 |
| Min | Max | Min | Max | Min | Max | ||||
| Interorbital width | 27.3 | 27.8 | 2.1 | 24.6 | 33.5 | 24.4 | 36.2 | 24.0 | 31.4 |
| Premaxillary pedicel length | 22.4 | 24.6 | 4.0 | 18.7 | 31.8 | 19.0 | 29.8 | 16.9 | 30.6 |
| Preorbital depth | 17.8 | 18.7 | 1.7 | 15.3 | 21.6 | 16.8 | 21.9 | 16.0 | 22.8 |
| Cheek depth | 24.4 | 25.7 | 1.7 | 22.2 | 31.4 | 18.6 | 30.6 | 23.2 | 29.0 |
| Lower jaw length | 39.8 | 38.0 | 2.2 | 31.2 | 43.3 | 30.2 | 42.1 | 33.4 | 42.8 |
| Head depth | 81.9 | 88.3 | 4.2 | 81.9 | 99.5 | 82.1 | 97.5 | 81.2 | 99.9 |
| Percent standard length (%) | |||||||||
| Head length | 28.8 | 30.9 | 0.9 | 28.3 | 32.3 | 29.2 | 32.4 | 28.9 | 32.7 |
| Body depth | 27.2 | 30.3 | 0.9 | 26.5 | 32.0 | 27.9 | 31.1 | 28.9 | 31.7 |
| Snout to dorsal-fin origin | 30.3 | 32.5 | 1.3 | 29.8 | 33.8 | 28.9 | 34.9 | 29.5 | 35.6 |
| Snout to pelvic-fin origin | 32.7 | 35.4 | 1.8 | 32.7 | 37.3 | 33.3 | 39.5 | 31.4 | 38.6 |
| Dorsal-fin base length | 64.5 | 62.5 | 1.5 | 57.5 | 67.4 | 53.0 | 66.0 | 59.0 | 65.2 |
| Anterior dorsal fin to anterior anal fin | 50.6 | 50.6 | 1.8 | 45.7 | 50.9 | 46.4 | 52.3 | 46.4 | 53.9 |
| Anterior dorsal fin to posterior anal fin | 65.4 | 64.4 | 1.5 | 58.8 | 67.1 | 60.2 | 66.1 | 61.7 | 67.1 |
| Posterior dorsal fin to anterior anal fin | 30.2 | 30.9 | 1.1 | 28.5 | 34.1 | 28.1 | 35.3 | 29.0 | 33.4 |
| Posterior dorsal fin to posterior anal fin | 15.4 | 15.5 | 0.6 | 13.4 | 18.1 | 12.7 | 18.9 | 14.2 | 16.6 |
| Posterior anal fin to dorsal caudal fin | 18.7 | 20.0 | 1.4 | 17.5 | 22.0 | 15.5 | 22.4 | 16.9 | 23.4 |
| Posterior dorsal fin to ventral caudal fin | 17.1 | 17.3 | 0.9 | 14.3 | 20.8 | 13.9 | 20.0 | 15.2 | 19.2 |
| Posterior dorsal fin to pelvic-fin origin | 57.3 | 57.4 | 1.3 | 51.7 | 61.6 | 54.7 | 61.4 | 54.9 | 60.9 |
| Anterior dorsal fin to pelvic-fin origin | 28.7 | 32.1 | 1.6 | 28.7 | 33.8 | 28.6 | 34.8 | 29.6 | 35.3 |
| Caudal peduncle length | 15.1 | 15.3 | 0.8 | 13.1 | 18.5 | 12.2 | 18.0 | 13.6 | 16.7 |
| Least caudal peduncle depth | 10.2 | 11.2 | 0.8 | 9.4 | 13.0 | 9.9 | 11.9 | 9.1 | 12.3 |
| Meristics | mode | %freq | |||||||
| Dorsal-fin spines | 18 | 18 | 49.3 | 17 | 19 | 16 | 18 | 17 | 18 |
| Dorsal-fin rays | 9 | 9 | 63.8 | 8 | 10 | 8 | 10 | 8 | 10 |
| Anal-fin spines | 3 | 3 | 100 | 3 | 3 | 3 | 3 | 3 | 3 |
| Anal-fin rays | 8 | 8 | 75.4 | 7 | 9 | 7 | 9 | 8 | 9 |
| Pectoral-fin rays | 13 | 13 | 84.1 | 13 | 14 | 13 | 14 | 13 | 14 |
| Pelvic-fin rays | 5 | 5 | 100 | 5 | 5 | 5 | 5 | 5 | 5 |
| Lateral-line scales | 32 | 32 | 59.4 | 31 | 33 | 31 | 33 | 31 | 33 |
| Pored scales posterior to hypural plate | 1 | 1 | 50.7 | 1 | 2 | 1 | 2 | 1 | 2 |
| Cheek scale rows | 4 | 4 | 76.8 | 4 | 4 | 3 | 4 | 4 | 4 |
| Gill rakers 1st ceratobranchial (lower) | 14 | 13 | 33.3 | 11 | 14 | 11 | 15 | 10 | 14 |
| Gil rakers 1st epibranchial (upper) | 3 | 3 | 84.1 | 3 | 3 | 2 | 4 | 3 | 4 |
| Teeth in outer row of left lower jaw | 11 | 11 | 44.9 | 10 | 13 | 10 | 12 | 9 | 12 |
| Tooth rows upper jaw | 3 | 3 | 100 | 3 | 3 | 3 | 3 | 3 | 3 |
| Tooth rows lower jaw | 3 | 3 | 100 | 3 | 3 | 3 | 3 | 3 | 3 |
...Continued on the next page
Notes
Published as part of Stauffer, Jay R. & Konings, Adrianus F., 2023, Description of a geographically variable elongate rock-dwelling cichlid (Cichliformes: Cichlidae) from Lake Malaŵi, Africa, pp. 268-269 in Zootaxa 5296 (2) on page 268, DOI: 10.11646/zootaxa.5296.2.7, http://zenodo.org/record/7978223
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