Morphology Data of Parananochromis axelrodi
Identification keys
Abnormalities
Main Ref. Stiassny, M.L.J., A. Lamboj, D. De Weirdt and G.G. Teugels, 2008
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

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
Diagnosis

Diagnosis: lachrymal plus four tubular infraorbitals; slight gap between third and fourth tubular infraorbital; snout acutely pointed; soft dorsal and anal fins, and caudal fin maculae often present but not usually forming distinct vertical bands on caudal fin; body depth 35.4-42.1% SL; caudal peduncle length 57.7-86.5% of width; anterior pelvic rays of mature females not black-tipped (Ref. 81260).

Description: robust, deep-bodied (body depth 35.4-42.1% SL); head length 33.0-37.2% SL; snout short, relatively acute; predorsal profile rises steeply over eyes, smoothly convex to dorsal origin; mouth moderately small; lower jaw inclined slightly upward; ventral body wall rounded to caudal peduncle, which is short and deep; upper branch of lateral line lower on body than in congeners and separated from dorsal base at highest point by 2-2.5 scale rows; 11-12 tuberculate rakers on lower limb of first arch, four lanceolate epibranchial rakers; first ray of pelvic fin longest in both sexes, and produced in males; caudal fin rounded in both sexes, upper lobe never produced or elongated in males; males usually larger than females (Ref. 81260).

Coloration: preserved specimens more or less uniformly brown, with cheeks, opercle and chest paler than rest of body; in larger specimens flank scales are marked with a central spot, which is probably iridescent in life; unpaired fins with many rows of dark maculae (Ref. 81260).

Ease of Identification

Meristic characteristics of Parananochromis axelrodi

Lateral Lines Interrupted: No
Scales on lateral line 26 - 27
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 12 - 12
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 9 - 12
on upper limb 5 - 6
total 15 - 18
Vertebrae
preanal
total 25 - 25

Fins

Dorsal fin(s)

Attributes extending over most of the back length
Fins number 1
Finlets No. Dorsal   0
Ventral  0
Spines total 15 - 15
Soft-rays total 11 - 11
Adipose fin absent

Caudal fin

Attributes more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 7 - 8

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   12 - 13
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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