Morphology Data of Astyanax paris
Identification keys
Main Ref. Azpelicueta, M. de las M., A. Almirón and J.R. Casciotta, 2002
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 terminal

Distinguished from all Astyanax congeners by the possession of a shallow body (body depth 34.9-39.4% SL); 3-4 maxillary teeth; the insertion of the fifth tooth of the inner premaxillary series posterior to main series; presence of two humeral spots, second humeral spot distinctly vertically elongated and sometimes wider than the first; the presence of 34-36 perforated scales in the lateral series, and iv-v, 20-22 anal fin rays (Ref. 46822). Olive green, iridescent gold in color; red pigmentation on last 4 or 5 procurrent rays, unbranched principal rays and on 3 branched principal rays in each caudal fin lobe, except on distal portion of those rays; yellowish area bounding this red caudal portion; adipose fin and base of anal fins yellowish (Ref. 46822).

Ease of Identification

Meristic characteristics of Astyanax paris

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 34 - 36
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 14 - 14
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 18 - 21


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 12 - 12
Adipose fin present

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 21 - 27

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   12 - 14
Pelvics Attributes  more or less normal
Position    abdominal  beneath origin of D1
Spines     0
Soft-rays   8 - 8
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Garilao, Cristina V.
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17