Morphology Data of Kneria maydelli
Identification keys
Abnormalities
Main Ref. Ladiges, W. and J. Voelker, 1961
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks Males often with tubercles on cheeks or around eyes (Ref. 88971).

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
Cross section circular
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales
Diagnosis

Diagnosis: opercular organ (lamellar part) overlying anterior part of lateral line; body depth 6.5 times, head length 5.3 times in total length; snouth length equal to eye diameter, 3.5 times in head length; snout smooth, males often with tubercles on cheeks or around eyes; operular organ much larger than eye (Ref. 88971). Dorsal fin origin slightly before midpoint of head and caudal fin base (Ref. 7248, 52193, 88971). Anal fin origin slightly before midpoint of pelvic fins and caudal fin base; body yellowish brown, with a lateral band made up of darkbrown spots, dorsally and ventrally bordered by a pale zone; back and belly with rows of irregular shaped spots; 3-4 overlapping dark spots on caudal fin base; black spot at base of pectoral and pelvic fins; caudal fin without color pattern; 1st and 2nd ray of dorsal and anal fin blackish (Ref. 88971).

Ease of Identification

Meristic characteristics of Kneria maydelli

Lateral Lines 1 Interrupted: No
Scales on lateral line 90 - 96
Pored lateral line scales
Scales in lateral series
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
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0
Ventral  0
Spines total 0
Soft-rays total 9
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0
Soft-rays total 8 - 9

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   
Pelvics Attributes  more or less normal
Position    
Spines     0
Soft-rays   8
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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