Xenisthmus
publication ID |
https://doi.org/ 10.11646/zootaxa.4286.2.4 |
publication LSID |
lsid:zoobank.org:pub:AFCE4317-AC56-4391-8616-CB1E8FB9EC45 |
DOI |
https://doi.org/10.5281/zenodo.6009359 |
persistent identifier |
https://treatment.plazi.org/id/0382AD3C-FFEE-BD70-FF43-6D18FA3EF8A7 |
treatment provided by |
Plazi |
scientific name |
Xenisthmus |
status |
|
Key to species of Xenisthmus View in CoL View at ENA in the Red Sea
1 Tongue rounded to truncate; posterior nostril with well-developed anterior flap; second dorsal-fin rays I,11–12, usually I,11; anal-fin rays I,10–11; ctenoid scales extend anteriorly on midside to below origin of second dorsal fin in specimens larger than about 15 mm SL (ctenoid scales mostly restricted to caudal peduncle in smaller specimens)................ X. polyzonatus
- Tongue indented; posterior nostril with raised rim, but without well-developed anterior flap; second dorsal-fin rays I,13–15; anal-fin rays I,12–14; ctenoid scales restricted to caudal peduncle or absent........................................2
2 Five preopercular pores (pores MNOPQ); second dorsal-fin rays I,13–14, usually I,13; anal-fin rays I,12–13, usually I,12.................................................................................................. X. balius View in CoL
- Three preopercular pores (pores MNO); second dorsal-fin rays I,14–15, usually I,15; anal-fin rays I,13–14................................................................................................ X. oligoporus View in CoL new species
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
Kingdom |
|
Phylum |
|
Class |
|
Order |
|
Family |