Morphology Data of Placidochromis boops
Identification keys
Abnormalities
Main Ref. Hanssens, M., 2004
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
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Diagnosis: head length 37.9-39.8 %SL; body depth 34.9-37.7 %SL; snout length 30.8-35.3 % head length; lower jaw length 42.6-46.0 % head length; premaxillary pedicel length 29.4-34.0 % head length; cheek depth 19.7-23.4 % head length; lachrymal length 19.7-22.7 % head length; predorsal distance 39.7-41.8 %SL; 16-19 gill-rakers on lower limb of first arch (Ref. 55898).

Description: large species; ventral body profile less convex than dorsal body profile; snout long and pointed; mouth large; gape inclined about 10° to horizontal; maxilla extending well beyond vertical at anterior margin of eye; upper jaw notched; outer oral teeth very small and mainly tricuspid, some bicuspid teeth present; inner oral teeth tricuspid; inner tooth rows close-set; 2-3 series of scales on cheek; eye large; upper margin of eye touching dorsal head profile; lower pharyngeal bone slender; all lower pharyngeal teeth small and densely packed; gill-rakers on lower limb long and slender (Ref. 55898).

Coloration: Preserved: Females and immature males: body brownish yellow; 6 vertical bars below dorsal fin; snout, nape and dorsum dark brownish; fins pale brownish yellow; dorsal fin with darker lappets and tips; grey spots on soft dorsal (Ref. 55898). Mature males: snout darker; dark brown chin and belly; dorsal fin with faint grey band at base, white submarginal band and black tips; large dark spots on soft dorsal, some merged into oblique bands; anal fin dark; dark edge to caudal fin; dark leading edge to ventral fin (Ref. 55898).

Ease of Identification

Meristic characteristics of Placidochromis boops

Lateral Lines Interrupted: No
Scales on lateral line 31 - 32
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 16 - 16
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 16 - 19
on upper limb 4 - 7
total 22 - 26
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 14 - 15
Soft-rays total 10 - 11
Adipose fin absent

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 8 - 9

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   14 - 15
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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