Eirmotus, Kottelat, 2008
publication ID |
https://doi.org/ 10.5281/zenodo.13245504 |
persistent identifier |
https://treatment.plazi.org/id/03EBE75C-4D0D-5C50-FC0C-FEF59891FC2B |
treatment provided by |
Felipe |
scientific name |
Eirmotus |
status |
|
Key to the species of Eirmotus View in CoL
1a. Black pigmentation along simple dorsal rays restricted to anterior two rays and proximal half of third ray, fainter grey distally; a row of faint black spots at about 2/3 of branched dorsal rays, sometimes extending on membranes .................... E. insignis View in CoL
1b. Black pigmentation along simple dorsal rays extending on entire length of rays; no black marks on middle of dorsal fin ...... 2
2a. Mouth subinferior, upper lip entirely distinct in ventral view; lower jaw pointed anteriorly; bars narrow (width of bar 5 equal to half of lateral row scale) ................................... E. isthmus View in CoL
2b. Mouth terminal, upper lip not entirely distinct in ventral view; lower jaw wide, anteriorly rounded; bars wide (width of bar 5 equal to one to two lateral row scales) ................................ 3
3a. Black marks on body wide, very conspicuous and contrasted; all fins dusky with scattered chromatophores on all rays; distinct black mark situated at posterior tip of dorsal fin, appearing as part of bar 6; in adults, all simple rays of anal fin black on entire length; 17–21 serrae along posterior edge of last simple dorsal ray ................................................................. E. furvus View in CoL
3b. Black marks on body narrow and not sharply contrasted; fins hyaline; dorsal fin hyaline, in a few specimens with diffuse chromatophores on last ray, adjacent to bar 6; in adults, anterior rays of anal fin black at base only; 25–31 serrae along posterior edge of last simple dorsal ray ............................. E. octozona View in CoL
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