A taxonomic revision of ten whitefish species from the lakes Lucerne, Sarnen, Sempach and Zug, Switzerland, with descriptions of seven new species (Teleostei, Coregonidae) Author Selz, Oliver M. https://orcid.org/0000-0002-2210-5909 Department of Fish Ecology and Evolution, Centre for Ecology, Evolution & Biogeochemistry (CEEB), Eawag: Swiss Federal Institute of Aquatic Science and Technology, 6047 Kastanienbaum, Switzerland & Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, 3012 Bern, Switzerland & Federal Office for the Environment (FOEN), Aquatic Restoration and Fisheries Section, 3011 Bern, Switzerland oliver.selz@bafu.admin.ch Author Seehausen, Ole Department of Fish Ecology and Evolution, Centre for Ecology, Evolution & Biogeochemistry (CEEB), Eawag: Swiss Federal Institute of Aquatic Science and Technology, 6047 Kastanienbaum, Switzerland & Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, 3012 Bern, Switzerland text ZooKeys 2023 2023-02-02 1144 95 169 http://dx.doi.org/10.3897/zookeys.1144.67747 journal article http://dx.doi.org/10.3897/zookeys.1144.67747 1313-2970-1144-95 36EAB28465F740B3B41DBEA1D2E803DC B6F2937E68D25907B4BD505201896471

Table 6. Morphological and meristic data of Coregonus muelleri from Lake Lucerne, NMBE-1078123 holotype, contemporary specimen; paratypes of contemporary specimens N = 29 and paratype material of historical specimens N = 8. For males and both sexes the holotype is included in the range and mean of the contemporary specimens.

Species	Coregonus muelleri
Morphological characters		Contemporary specimens						Historical specimens
	Holotype	Holotype + Paratypes		Paratypes		Holotype + Paratypes		Paratypes
		Ntotal = 30 *		Nfemales = 9 **		Nmales = 21 ***		Ntotal= 8 ****
		mean	range	mean	range	mean	range	mean	range
* N=27 for MGR, LGR, UA, LA; ** N=7 for MGR, LGR, UA, LA; *** N=20 for MGR, LGR, UA, LA; **** N=6 for CF, TL; N=5 for MGR, LGR.
Standard length (mm)	180	180.7	158-198	180.1	161-197	181	158-198	180.2	159-193
Percentage of standard length
Pelvic fin base	3.6	3.6	3-4.1	3.7	3.3-4.1	3.6	3-3.9	3.5	3.2-4
Pelvic fin 'spine' length	7.2	6.7	5.3-8.1	6.8	5.3-8.1	6.6	5.5-7.2	5.9	4.8-6.6
Pelvic fin length	15.6	15.9	14.6-16.8	16.2	15-16.6	15.7	14.6-16.8	16.4	14.2-18.9
Pectoral fin base	3.4	3	2.7-3.5	3	2.7-3.3	3.1	2.8-3.5	3	2.4-3.6
Pectoral fin 1 length	16.8	16.4	15-18	16.7	15.8-18	16.2	15-16.9	16.7	15.3-18.8
Pectoral fin 2 length	17.8	17.1	16-18.8	17.3	16.6-18.8	17.1	16-17.9	17.5	15.9-20
Dorsal fin base	10.8	11	9.2-12.7	11.2	10.1-12	11	9.2-12.7	10.6	9.3-11.6
Length of anterior part of dorsal fin erected	18.6	18.1	16.4-20.3	18.8	17.7-20.3	17.8	16.4-19.8	18.4	17.1-20.2
Length of anterior part of dorsal fin depress	e19.6	19.2	17.3-21.1	19.7	18.7-21.1	19	17.3-20.7	19.5	17.9-21.1
Length of posterior part of dorsal fin erected	6.1	5.6	4.5-6.5	5.5	4.5-6.1	5.6	4.9-6.5	6.2	5.4-7.1
Anal fin base	13.8	13	11.2-14.8	13.1	11.6-13.7	12.9	11.2-14.8	12	11.2-13
Length of anterior part of the anal fin	12.4	12	10.5-13	12.3	11.2-13	11.8	10.5-12.7	12	10.9-13.3
Adipose fin base	5.8	6	4.6-8.5	5.9	5-7.2	6.1	4.6-8.5	6.7	5.3-8.6
Caudal fin length	23.9	23.9	22-26.4	24.7	23.1-26.4	23.6	22-25.6	23.5	21-25.4
Caudal peduncle depth	7.2	6.9	6.3-7.4	6.9	6.4-7.4	6.9	6.3-7.3	6.5	6.1-6.8
Caudal peduncle length	13.3	12.8	10.8-14.3	12.7	10.8-14.2	12.8	10.9-14.3	13.8	13.4-15.1
Length from posterior part of adipose fin to caudal fin base	19.2	19.4	17.5-21.1	19.1	17.5-20.6	19.5	18-21.1	20.3	17.7-21.6
Dorsal head length	15.5	15.7	14.4-17	15.8	14.8-17	15.7	14.4-16.4	16	14.8-17.9
Prepelvic length	51.1	51.3	48.2-54.4	52	50.6-54.4	51	48.2-53.3	52.4	49.4-55.3
Preanal length	76.1	76.9	74-80.1	76.4	74-77.4	77.1	74.7-80.1	76.6	75.7-79.4
Predorsal length	47.6	46.7	41.9-49.6	46.1	41.9-48.2	46.9	44.7-49.6	47.3	44.8-51.5
Body depth	22	21.9	19.8-24.9	23.3	21-24.9	21.3	19.8-24	22.5	20-24.7
Postdorsal length	44.8	44.3	41.6-47.5	43.9	41.6-45.6	44.5	42.5-47.5	43.6	39.6-45.8
Head length	21.6	22	20.3-23.5	22.3	21.3-23.5	21.9	20.3-23.3	22.2	20.9-25.1
Total length	123.3	122.1	119.1-124.8	122.2	119.8-124.8	122	119.1-124.7	121.1	119.1-123.6
Head length (mm)	38.9	39.8	36.3-44.2	40.1	37.4-44.2	39.6	36.3-42.1	39.9	36.7-46.7
Percentage of head length
Snout length	22	22.8	20.1-25.3	22.6	20.8-23.7	22.9	20.1-25.3	21.3	20-22.6
Eye diameter	26	24.1	22.2-26	24	22.2-25.6	24.2	22.7-26	24.3	23.2-26.6
Eye cavity	28.8	27.7	26.4-31.1	27.8	26.5-31.1	27.6	26.4-29.3	29.2	27-31.9
Eye height	26.1	24.3	22.3-26.2	24.2	22.8-25.1	24.3	22.3-26.2	25.3	23.5-28.3
Eye socket	2.8	3	1.9-4.6	2.9	1.9-3.7	3	2.3-4.6	4	2.8-5.7
Postorbital length	49.9	50.6	48.8-52.6	50.8	49.8-52.2	50.5	48.8-52.6	49.9	47.4-51.9
Head depth	64.9	63.7	59.6-70.8	63.5	61.2-65.7	63.8	59.6-70.8	65.2	61.8-69.7
Mouth width	9.3	9.2	7.6-10.1	9.1	8.5-9.9	9.2	7.6-10.1	10.2	8.9-11.8
Upper jaw length	30	28.8	20.7-31.5	29.6	28.4-31.3	28.4	20.7-31.5	31	28.4-35.9
Lower jaw length	41.4	42.7	40.3-45.8	43.6	41.4-45.8	42.3	40.3-44.9	43.6	39.5-47
Length of maxilla	21.7	21.4	19.4-24	22.1	20.9-23.7	21.2	19.4-24	22.9	21.3-26.2
Snout depth	8.2	7	4.9-8.7	7.1	5.6-8.7	7	4.9-8.3	7.7	7-8.5
Snout width	17.8	16.9	14.2-19.2	16.6	14.2-17.9	17	15.4-19.2	16.5	14.3-17.4
Head width	45	43.8	37.2-48.7	43.8	41.9-47.1	43.7	37.2-48.7	44.5	41.2-47.8
Interorbital width	26.7	26	23.8-29.2	26	24.1-27.2	26.1	23.8-29.2	24.6	22.6-26
Internarial width	10	11	9.6-12.3	11.3	10-12.3	10.9	9.6-12	12.2	11.3-13.8
Lower jaw length	7.6	7.3	5.9-8.7	7.1	6.4-7.9	7.4	5.9-8.7	8.6	7.5-10
Lower jaw width	22.4	21.3	18.5-23.3	21.4	19.2-23	21.2	18.5-23.3	22.8	21-24.7
Middle gill raker length	13.5	13.5	9.6-15.9	13.4	12.4-14	13.6	9.6-15.9	12.8	11.2-15
Longest gill raker length	15.1	14.5	12.5-16.7	14.4	13.5-15.9	14.5	12.5-16.7	14.1	11.2-15.6
Upper arch length	21.6	19.1	15.9-22.3	19.4	16-22	19	15.9-22.3	na	na
Lower arch length	33.6	33.4	26.2-38.7	33	27.2-37.5	33.5	26.2-38.7	na	na