A new record of the Elegant Slender Barracudina, Stemonosudis elegans (Ege, 1933) from southern Atlantic Ocean
Author
Ho, Hsuan-Ching
Department and Graduate Institute of Aquaculture, National Kaohsiung University of Science Technology, Kaohsiung, Taiwan & Taiwan Ocean Research Institute, National Institutes of Applied Research, Kaohsiung, Taiwan, Taiwan & National Museum of Marine Biology & Aquarium, Pingtung, Taiwan & Australian Museum, Sydney, Australia
Author
Moritz, Timo
0000-0003-1281-7432
text
Zootaxa
2025
2025-10-29
5716
1
133
138
https://doi.org/10.11646/zootaxa.5716.1.7
journal article
313422
10.11646/zootaxa.5716.1.7
7a6d26a7-64c2-488a-92f5-88432d4d779f
1175-5326
17889015
035212BD-BF27-4931-BA8F-751AE68DA490
TABLE 1. Morphometric data of Stemonosudis elegans (Ege, 1933), as expressed in % SL, HL and V–A. Data of holotype obtained from Ege (1957).| SL (mm) | Holotype | Atlantic | | Australia |
|---|
| 53 | 71.1–136 (n=4) | | 108–149 (n=3) |
|---|
| In % SL | | Mean (Range) | SD | Mean (Range) |
|---|
| Head length (HL) | 18.3 | 20.0 (19.1–20.6) | 0.6 | 19.7 (19.4–19.9) |
|---|
| Body depth | 4.5 | 5.0 (4.4–5.4) | 0.5 | 4.8 (4.5–5.2) |
|---|
| Predorsal length | 62.1 | 62.1 (61.0–63.7) | 1.3 | 62.5 (62.3–62.8) |
|---|
| Prepelvic length | 53.2 | 52.8 (51.0–54.4) | 1.5 | 53.3 (53.0–53.6) |
|---|
| Preanus length | 57.5 | 57.5 (56.3–59.3) | 1.4 | 57.0 (56.8–57.2) |
|---|
| Preanal length | 74.5 | 75.9 (74.7–76.6) | 0.9 | 75.9 (75.2–76.5) |
|---|
| V–D | 8.9 | 9.2 (8.0–10.0) | 0.6 | 9.2 (8.7–9.5) |
|---|
| V–A | 21.3 | 23.0 (22.2–23.6) | 0.7 | 22.6 (22.1–23.2) |
|---|
| Eye diameter | 2.6 | 2.7 (2.5–3.0) | 0.2 | 2.8 (2.7–2.9) |
|---|
| Interorbital width | 2.5 | 1.9 (1.8–2.1) | 0.1 | 1.7 (1.6–1.9) |
|---|
| Snout length | 10.2 | 11.2 (11.1–11.3) | 0.1 | 11.0 (10.7–11.1) |
|---|
| Head depth | - | 4.7 (4.6–4.9) | 0.1 | 4.4 (4.4–4.5) |
|---|
| Head width | - | 2.8 (2.5–3.0) | 0.2 | - |
|---|
| Pre-nostril length | 8.3 | 8.6 (8.4–8.8) | 0.2 | 9.4 |
|---|
| Upper-jaw length | 8.9 | 9.0 (8.8–9.3) | 0.2 | 9.1 (8.9–9.3) |
|---|
| Lower-jaw length | - | 12.9 (12.5–13.5) | 0.4 | 12.4 (12.2–12.6) |
|---|
| Pectoral-fin length | - | 7.1 (8.0–8.7) | 0.5 | 7.7 |
|---|
| Pelvic-fin length | - | 4.5 (3.8–5.2) | 1.0 | - |
|---|
| Anal-fin base | 18.9 | 17.7 (17.2–18.1) | 0.4 | 18.0 (17.2–19.5) |
|---|
| Dorsal-fin base | 3.2 | 3.4 (3.2–3.8) | 0.3 | 3.2 (2.9–3.4) |
|---|
| Caudal peduncle depth | - | 2.3 (2.1–2.8) | 0.3 | - |
|---|
| Caudal peduncle length | 5.5 | 5.5 (5.2–5.8) | 0.3 | 4.9 (4.3–5.6) |
|---|
| In % HL |
|---|
| Eye diameter | - | 13.7 (12.4–15.7) | 1.4 | 14.1 (13.7–14.5) |
|---|
| Interorbital width | - | 9.7 (8.8–10.1) | 0.6 | 8.7 (8.1–9.6) |
|---|
| Snout length | - | 55.9 (54.1–59.0) | 2.1 | 55.2 (55.2–56.3) |
|---|
| Head depth | - | 23.6 (22.4–24.4) | 1.0 | 22.6 (22.1–22.9) |
|---|
| Head width | - | 14.0 (13.0–13.0) | 0.7 | - |
|---|
| Pre-nostril length | - | 43.2 (42.1–43.8) | 0.8 | 47.8 |
|---|
| Upper jaw | - | 45.2 (44.0–46.3) | 1.0 | 46.2 (45.5–47.4) |
|---|
| Lower jaw | - | 64.5 (61.2–70.4) | 4.2 | 63.1 (62.4–64.2) |
|---|
| Pectoral-fin length | - | 41.4 (38.9–43.6) | 3.3 | 39.0 (39.0–39.0) |
|---|
| Pelvic-fin length | - | 23.2 (18.9–27.4) | 6.0 | - |
|---|
| Anal-fin base | - | 88.9 (85.9–94.4) | 3.8 | 91.7 (87.6–99.0) |
|---|
| Dorsal-fin base | - | 17.3 (15.8–19.7) | 1.8 | 16.1 (14.8–17.4) |
|---|
| Caudal peduncle depth | - | 11.4 (10.3–14.5) | 2.0 | - |
|---|
| Caudal peduncle length | - | 27.4 (25.8–28.1) | 1.5 | 25.0 (21.9–28.3) |
|---|
| In % V–A |
|---|
| V–D | 41.8 | 40.1 (37.5–42.3) | 2.3 | 40.7 (38.7–42.4) |
|---|