Morphology Data of Haplochromis nubilus
Identification keys
Abnormalities
Main Ref. Lippitsch, E., 2003
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors different colors in mature adults only
Remarks Females are deep olive green, males black.

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section oval
Dorsal head profile clearly concave
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales
Diagnosis

Longitudinal scale count 30-31; snout length 33.4-34.6% HL; maxilla reaching below pupil; mouth slightly prognathous; longest soft rays of dorsal and anal fins reaching well beyond base of caudal; scaleless opercular spot small; scaleless caudal rim on the suboperculum; scales on interoperculum in a single row; postorbital scale column mixed; gill rakers on upper part of ceratobranchial anvil-shaped, trifid on epibranchial; one inner tooth row in the lower jaw extending nearly as far posteriorly as outer row; caudal peduncle length 14.4-15.8% SL; and outer-row teeth in lower jaw 36-44 (Ref. 52072).

Ease of Identification

Meristic characteristics of Haplochromis nubilus

Lateral Lines 1 Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 30 - 31
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
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 - 0
Ventral  0 - 0
Spines total 15 - 15
Soft-rays total 9 - 9
Adipose fin absent

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 - 9

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    abdominal  behind origin of D1
Spines     1
Soft-rays   5 - 5
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