Key of Identification of Symphysodon discus

Key of Identification of Symphysodon discus

Symphysodon discus

1 "- Absence of a dark spot on the posterior end of the operculum ..................... 3

3 "- Arrangement of the" American "type of lips, that is, the skin of the tooth is folded over that of the posterior end of the premaxilla .................... 6

6 "- More than a series of teeth in the jaws, all moving (depressible) teeth ............................... .................................................. 7

7 "- First branchial arch with short and less numerous traces (40 or less traces) ................................ .................................................. .9

9 "- Scales of the lateral line with a sensorial channel .................. 11

11 "- Absence of a well developed lobe in the first branchial arch ..................................... .................................................. 19

19 '- Forty or more scales in series E1 .................................. 20

20 '- Body high and strongly compressed, in disk format; six or more spines in the anal fin ........................................... 21

21 '- Vertical band in the center of the body well evident and wider than the other bands of flanks .............................. Symphysodon discus

Reference: QUEIROZ, L. J.; VILARA, G. T.; OHARA, W. M.; PIRES, T. H. S.;. ZUANON, J.; DORIA, C. R. C. Peixes do Rio Madeira – Volume I, 2013

Photo: Forest of the North - Celcoimbra - FAN OF ORNAMENTAL FISH

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