A review of the glyptosternine catfish genus Exostoma Blyth 1860 from Thailand, with descriptions of two new species (Teleostei: Siluriformes)
Author
Ng, Heok Hee
Author
Vidthayanon, Chavalit
text
Zootaxa
2014
3869
4
420
434
journal article
42458
10.11646/zootaxa.3869.4.6
5781fab6-f58a-42d7-b9a2-891a99f1d51e
1175-5326
230830
39555505-B707-4172-BED0-06242CB096EC
TABLE 1. Morphometric data for Exostoma berdmorei (NIFI 0 894, NIFI 1669, ZRC 54293; n=4). | Range | Mean±SD |
|---|
| Standard length (mm) | 34.3–66.4 | |
|---|
| %SL | | |
|---|
| Predorsal length | 42.6–44.4 | 43.5±0.90 |
|---|
| Preanal length | 73.5–74.2 | 73.9±0.35 |
|---|
| Prepelvic length | 47.8–50.9 | 49.2±1.57 |
|---|
| Prepectoral length | 15.0–16.6 | 15.8±0.80 |
|---|
| Length of dorsal-fin base | 13.1–13.3 | 13.2±0.12 |
|---|
| Length of anal-fin base | 6.5–8.2 | 7.4±0.85 |
|---|
| Pelvic-fin length | 18.9–19.1 | 19.0±0.12 |
|---|
| Pectoral-fin length | 22.4–24.0 | 23.2±0.80 |
|---|
| Caudal-fin length | 23.2–23.8 | 23.6±0.32 |
|---|
| Length of adipose-fin base | 32.8–35.8 | 34.7±1.68 |
|---|
| Dorsal-to-adipose distance | 9.2–11.7 | 10.4±1.26 |
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| Length of caudal peduncle | 16.4–19.6 | 18.4±1.77 |
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| Depth of caudal peduncle | 9.2–9.7 | 9.4±0.25 |
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| Body depth at anus | 11.0–12.7 | 11.7±0.91 |
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| Pectoral–pelvic distance | 32.8–36.0 | 34.0±1.72 |
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| Head length | 23.1–23.8 | 23.5±0.36 |
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| Head width | 18.3–21.1 | 19.8±1.41 |
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| Head depth | 10.4–11.8 | 10.9±0.81 |
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| %HL | | |
|---|
| Snout length | 57.0–58.4 | 57.5±0.78 |
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| Interorbital distance | 28.0–32.3 | 29.9±2.19 |
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| Eye diameter | 10.1–11.9 | 10.8±0.96 |
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| Nasal barbel length | 16.8–29.4 | 24.9±7.03 |
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| Maxillary barbel length | 67.2–81.6 | 72.1±8.23 |
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| Inner mandibular barbel length | 6.3–8.9 | 7.5±1.32 |
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| Outer mandibular barbel length | 19.8–25.3 | 21.7±3.12 |
|---|