Lake Chala tilapia (Oreochromis hunteri) fish species and information / pictures of Lake Chala tilapia - Oreochromis hunteri

Lake Chala tilapia (Oreochromis hunteri) fish species information

Scientific Name
Oreochromis hunteri

Common Name
Lake Chala tilapia

Biology
Dorsal spines (total): 16 - 17; Dorsal soft rays (total): 11-13; Anal spines: 3 - 4; Anal soft rays: 10 - 16; Vertebrae: 31 - 34. Diagnosis: teeth very small, in narrow bands; pharyngeal bone narrow, its width about 26% head length, with fine teeth, crowded posteriorly, the blade equal to the median length of the toothed area in young, about 1.5 times as long in adults; pectoral fin usually less than 36% SL (Ref. 2). Scales of chest and belly very small (Ref. 2, 54096), in some individuals showing an abrupt transition from the flank scales for a short distance behind the pectoral-pelvic interspace; in some individuals dorsal scales also small (Ref. 2). Caudal peduncle longer than deep (Ref. 2, 2989, 54096). 3-4 anal fin spines (Ref. 2, 4967). Body at least 2.8 times as long as deep; caudal peduncle at least 1.3 times longer than deep (Ref. 4967).

Classification

Classified By
G?nther, 1889
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Cichlids (Cichlidae)

Distribution

Region
Africa
Distribution
Africa: endemic to Lake Chala (Ref. 52331).
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Freshwater; benthopelagic
Trophic Level
2 s.e. 0.00 Based on food items.
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
30.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries:
Vulnerability
Moderate vulnerability (37 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Critically Endangered (CR) (B1ab(i,iii))