Nile Tilapia

Catalogue Type
Livestock, Poultry and Fish Breeds Catalogue
Scientific Name
Oreochromis niloticus
Distinguishing Characters
Body shape generally laterally compressed to oval and deep, though variable depending on the environment
Lateral line interrupted with 30-34 cycloid scales.
Mouth terminal.
Gill rakers on lower limb of first gill arch 20-26.
Most distinguishing characteristic is the presence of regular 7-12 distinct vertical stripes throughout depth of caudal fin
Caudal fin truncate
Teeth in the jaws in 3 to 7 series, the number of which is size dependent.
The outermost teeth are bicuspid and in adults with stout shafts and obliquely truncate major cusps.
Lower pharyngeal with firm teeth in approximately triangular dentigerous area.
Jaws of mature male not greatly enlarged
The most diagnostic features are the regular and definitive stripes on the caudal fin, the red flush of the breeding male and the dark margin of the dorsal fin.
Body coloration varies depending on environmental, physiological and dietary factors.

Photo of Livestock/Poultry/Fish Breed