Published February 4, 2025
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TABLE 1 in Two new species of eelpout genus Lycenchelys (Perciformes: Zoarcidae) from the Kuril-Kamchatka Trench, based on morphological and molecular evidence
Authors/Creators
- 1. Independent researcher, Lübeck, Germany
- 2. biome-id GbR, c / o Jade InnovationsZentrum, Emsstrasse 20, 26382 Wilhelmshaven, Germany
- 3. Zoological Institute of the Russian Academy of Sciences (ZIN), St. Petersburg, Russia
- 4. Independent researcher, Lübeck, Germany & Independent researcher, Hamburg, Germany & Independent researcher, Lübeck, Germany
Description
TABLE 1. Counts and measurements of Lycenchelys delanglei sp. nov.
| Lycenchelys delanglei sp. nov. | Holotype ZMH 26277 | Paratype ZMH 26278 | Paratype ZMH 26279 | Paratype ZMH 26280 | Range |
|---|---|---|---|---|---|
| Standard length (SL, mm) | 196 | 157 | 157 | 199 | 157–199 |
| Sex | Female | Female | Female | Male | |
| Meristic characters | |||||
| Dorsal-fin rays | 115 | 117 | 115 | 114 | 114–117 |
| Free pterygiophores at the beginning of dorsal fin | 2 | 2 | 3 | 2 | 2–3 |
| Anal-fin rays | 96 | 98 | 97 | 98 | 96–98 |
| Pectoral-fin rays | 17 | 16 | 17 | 17 | 16–17 |
| Pelvic-fin rays | 2 | 2 | 2 | 2 | 2 |
| Caudal-fin rays* | 2+4+3 | 2+4+3 | 2+5+4 | 2+5+4 | 9–11 |
| Gill rakers** | 3+10 | 2+12 | 3+12 | 3+12 | 13–15 |
| Precaudal vertebrae | 28 | 29 | 28 | 29 | 28–29 |
| Caudal vertebrae | 93 | 92 | 93 | 91 | 91–93 |
| Total vertebrae | 121 | 121 | 121 | 120 | 120–121 |
| Pseudobranch filaments | 5 | 4 | 4 | 3 | 3–5 |
| Nasal pores | 2 | 2 | 2 | 2 | 2 |
| Suborbital pores | 11 | 10 | 12 | 10 | 10–12 |
| Postorbital pores | 4 | 4 | 4 | 4 | 4 |
| Interorbital Pores | 0 | 0 | 0 | 0 | 0 |
| Preopercular pores | 4 | 4 | 4 | 4 | 4 |
| Mandibular pores | 4+1 | 4+1 | 4+1 | 4+1 | 4+1 |
| Occipital pores | 0 | 0 | 0 | 0 | 0 |
| Morphometric characters (%SL) | |||||
| Head length (HL, mm) | 37.0 | 27.3 | 26.8 | 34.7 | 26.8–37.0 |
| Body height at pectoral-fin base | 8.7 | 6.5 | 7.1 | 7.1 | 6.5–8.7 |
| Body height at anal-fin origin | 7.8 | 5.5 | 5.9 | 6.1 | 5.5–7.8 |
| Predorsal length | 22.0 | 22.8 | 19.6 | 20.7 | 19.6–22.8 |
| Preanal length | 38.0 | 37.5 | 37.5 | 39.3 | 37.5–39.3 |
| Pectoral-fin length | 11.1 | 9.2 | 10.6 | 9.0 | 9.0–11.1 |
| Gill slit length | 6.7 | 6.6 | 6.7 | 7.0 | 6.6–7.0 |
| Morphometric characters (%HL) | |||||
| Upper jaw length | 29.2 | 31.5 | 31.7 | 28.5 | 28.5–31.7 |
| Pectoral-fin length | 58.6 | 52.7 | 62.3 | 51.9 | 51.9–62.3 |
| Snout length | 31.6 | 29.7 | 34.0 | 30.3 | 29.7–34.0 |
| Eye diameter | 19.2 | 19.8 | 20.5 | 21.0 | 19.2–21.0 |
| Gill slit length | 35.7 | 37.2 | 39.2 | 40.1 | 35.7–40.1 |
| Interorbital width (bony margin) | 4.6 | 4.8 | 4.5 | 4.9 | 4.5–4.9 |
| Pelvic-fin length | 13.2 | 17.2 | 17.2 | 12.1 | 12.1–17.2 |
| Pectoral-fin base/length ratio | 0.34 | 0.38 | 0.31 | 0.34 | 0.31–0.38 |
*No. epurals + on upper hypural plate + on lower hypural plate; **on upper limb + on lower limb.
Notes
Published as part of Thiel, Ralf, Knebelsberger, Thomas, Chernova, Natalia & Eidus, Irina, 2025, Two new species of eelpout genus Lycenchelys (Perciformes: Zoarcidae) from the Kuril-Kamchatka Trench, based on morphological and molecular evidence, pp. 496 in Zootaxa 5583 (3) on page 496, DOI: 10.11646/zootaxa.5583.3.4, http://zenodo.org/record/14804545
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