Morphology Data of Pseudotropheus williamsi
Identification keys
Abnormalities
Main Ref. Stauffer, J.R. Jr. and K.A. Kellogg, 2002
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 fusiform / normal
Cross section compressed
Dorsal head profile clearly convex
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales ctenoid scales
Diagnosis

No acutely sloped ethmovomerine block. Lower jaw parallel to a line from the tip of the snout to the hypural plate. Head depth 102% HL); eyes large, vertical eye diameter 25.5% (Ref. 41512).

Ease of Identification

Meristic characteristics of Pseudotropheus williamsi

Lateral Lines Interrupted: No
Scales on lateral line 31 - 31
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 10 - 10
on upper limb 3 - 3
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 17 - 17
Soft-rays total 8 - 8
Adipose fin

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

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

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   14 - 14
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     
Soft-rays   5 - 5
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