Morphology Data of Tilapia sparrmanii
Identification keys
Abnormalities
Main Ref. Genner, M.J., G.F. Turner and B.P. Ngatunga, 2018
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

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

Diagnosis: A small, deep-bodied species with a narrow head and small strong jaws (Ref. 118638). Often appearing a rich deep yellow with wide dark brown bands, and red/orange fin margins; mature adults are very dark with prominent black stripes and a patch of scarlet scales behind the head (Ref. 118638).

Description: Moderately deep-bodied; head small; frontal profile rounded to steep; caudal fin rounded (Ref. 52307).

Colouration: Body grayish-brown to bronze; sometimes with 7-8 dark vertical bars, more prominent in dorsal body parts, may be visible; dorsal fin often reddish-brown with an iridescent bluish flush in its upper parts and outlined in red, and some dark stripes in soft portion; caudal fin essentially unmarked, although in males there may occasionally be some bluish spots; outermost region anal fin fairly dark, with some pale spots at its base; pelvic fin rays may become moderately elongated and have a pale reddish-brown anterior edge (Ref. 52307).

Ease of Identification

Meristic characteristics of Tilapia sparrmanii

Lateral Lines 2 Interrupted: No
Scales on lateral line 27 - 29
Pored lateral line scales
Scales in lateral series
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 8 - 12
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1notched No
Finlets No. Dorsal   
Ventral  
Spines total 13 - 15
Soft-rays total
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     
Soft-rays   
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