Morphology Data of Apionichthys nattereri
Identification keys
Abnormalities
Main Ref. Ramos, R.T.C., 2003
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Pronounced dark coloration on most of blind-side head (supracranial area, anterior half of cranial area and cheek, antero-ventral part of opercular area), basal part of dorsal and anal fin rays and pelvic fin; in specimens longer than 19 cm, dark coloration replaced by gray, diffuse color, paler on larger specimens; gill opening on the eyed side forming short slit equal or smaller than nostril diameter; and 92-114 series of scales (Ref. 49504).

Ease of Identification

Meristic characteristics of Apionichthys nattereri

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 92 - 114
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal 8 - 8
total 41 - 43

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 0 - 0
Soft-rays total 76 - 84
Adipose fin absent

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 0 - 0
Soft-rays total 56 - 65

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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