Morphology Data of Oreochromis spilurus
Identification keys
Main Ref. Trewavas, E., 1983
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs protruding genital papilla (m)
Different appearance always different morphology between mature adults
Different colors different colors in mature adults only
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral short and / or deep
Cross section
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
Diagnosis

Mouth wide; lips thick; jaws and pharyngeal bones stout, swollen and spongy in some specimens. Micro-branchiospines absent or reduced in the type locality. Scales usually in 2 rows on cheek. Females green darker on back, white on belly. Mature males rich brown to black, lighter on belly; lips enlarged, prominent and white; tail orange, with spots and vertical bars.

Ease of Identification

Meristic characteristics of Oreochromis spilurus

Lateral Lines 2 Interrupted: No
Scales on lateral line 29 - 31
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 3 - 4
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only) absent
Gill rakers
on lower limb 13 - 16
on upper limb 1 - 3
total 14 - 19
Vertebrae
preanal
total 28 - 29

Fins

Dorsal fin(s)

Attributes extending over most of the back length
Fins number 1
Finlets No. Dorsal   0
Ventral  0
Spines total 14 - 15
Soft-rays total 10 - 12
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 9 - 10

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Binohlan, Crispina B.
Modified by Torres, Armi G.
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17