Maratecoara Costa
publication ID |
z01410p001 |
DOI |
https://doi.org/10.5281/zenodo.6237679 |
persistent identifier |
https://treatment.plazi.org/id/FF61BE22-F0F7-0F3B-2293-9581CAAA182B |
treatment provided by |
Thomas (2009-07-10 14:42:38, last updated 2024-11-24 22:53:41) |
scientific name |
Maratecoara Costa |
status |
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Maratecoara Costa View in CoL View at ENA ZBK
Maratecoara Costa, 1995a ZBK : 68 (type species: Cynolebias lacortei Lazara ZBK , by original designation).
Diagnosis. Distinguished from all other plesiolebiasine genera by the following unique features of males: dorsal and anal fins long, tips beyond posterior margin of caudal fin (vs. short, tips reaching between caudal peduncle and caudal-fin base); caudal fin lanceolate, tip with two or three filamentous rays (vs. caudal fin rounded and without filaments); opercular membranes with blue iridescence, long, extending on anterior portion of pectoral fins (vs. opercular membrane short and hyaline); and flanks metallic blue, with orangish golden spots (vs. never a similar color pattern).
Distribution. Das Mortes -Araguaia -Tocantins river basin, central Brazil (Fig. 22).
Key to species of the genus Maratecoara ZBK
1a. 25-27 caudal-fin rays; anteroventral portion of flanks with three to five oblique orange bars; distal portion of anal fin without distinctive bright blue zone...........................................................................................2
1b. 27-30 caudal-fin rays; anteroventral portion of flanks with broad orange blotch just posterior to pectoralfin insertion; distal portion of anal fin with broad bright blue zone in males.............................. M. lacortei
2a. Scales extending onto dorsal and anal-fin bases in males; dorsal profile of head strongly concave in adult males; few pale orange spots on basal half of anal fin and flank region adjacent to anal fin, often absent; basal half of caudal fin with vertical rows of orange spots in males........................................... M. formosa ZBK
2b. No scales on dorsal and anal-fin bases in males; dorsal profile of head straight to slightly concave in adult males; conspicuous orange spots on basal half of anal fin and flank region adjacent to anal fin; basal half of caudal fin with orange stripes parallel to fin rays in males.................................................. M. splendida
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.
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Tribe |
Plesiolebiasini |
1 (by thomas, 2009-07-10 14:42:38)
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