Morphology Data of Australoheros macacuensis
Identification keys
Main Ref. Ottoni, F.P. and W.J.E.M. Costa, 2008
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Distinguished from other congeners by the combination of the following characters: caudal vertebrae 12; absence of mark on side of head; dorsal-fin spines 16; dorsal-fin rays 10-11; anal-fin rays 8-9; rib pairs 10-11; snout not robust; 24-25 proximal radials on dorsal-fin base; 13 proximal radials on anal-fin base; absence of depression on head; pre-orbital depth 62.2-65.3% HL; interorbital width 37.2-41.1% HL; wide ectopterygoid; arms of epibranchial 2 with two long tubular processes; arm of epibranchial 1long; body depth 46.6-49.8% SL; ; last anal-fin spine length 13.8-16.5% SL; and posterior arm of trunk vertical bar 7 wider than the anterior one (Ref. 79631).

Ease of Identification

Meristic characteristics of Australoheros macacuensis

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 15 - 17
Scale rows below lateral line 6 - 9
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 14 - 15
on upper limb 6 - 7
preanal 14 - 14
total 26 - 26


Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   
Spines total 16 - 16
Soft-rays total 10 - 11
Adipose fin absent

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total 7 - 8
Soft-rays total 8 - 9

Paired fins

Pectoral Attributes  more or less normal
Soft-rays   14 - 14
Pelvics Attributes  more or less normal
Position    abdominal
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
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