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Alcolapia grahami in Tanzania, United Rep. of
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Alcolapia grahami   (Boulenger, 1912)
Family: Cichlidae (Cichlids)
, subfamily: Pseudocrenilabrinae
picture (Oralc_m3.jpg) by Seegers, L.
Show available picture(s) for Alcolapia grahami
Order: Perciformes  (perch-likes)
Class: Actinopterygii (ray-finned fishes)
FishBase name:
Max. size: 20.0 cm SL (male/unsexed; Ref. 2)
Environment: benthopelagic; pH range: 7.5 - 8.5; dH range: 10 - 20
Climate: tropical; 24 - 32°C; 1°S - 2°S
Global Importance: fisheries: ; aquarium: commercial
Resilience:   High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution: Africa: Lakes Magadi and Nakuru (introduced) in Kenya (Ref. 3881) and Lake Natron in Tanzania (Ref. 13364).
Diagnosis:   Dorsal spines (total): 11-13; Dorsal soft rays (total): 12-13; Anal spines: 3-3; Anal soft rays: 9-11; Vertebrae: 28. Mature females with an overall golden hue; males with the flanks a pale blue. Swollen and brilliant white lateral parts of the lower lip of the mature male. Blue spots on scales becoming iridescent. Genital papilla conical, prominent and yellow in the mature male; swollen in the mature female. An oblique eye-bar intensely black in the breeding male, duller in the female.
Biology: Occur at temperatures ranging from 16.0-40.0 °C (Ref. 2). Feed actively in the evening. Young O. alcalicus grahami eat eggs as they are shed by the female, and much of the time and energy of the territorial male is occupied in driving them off. Feed on invertebrates, at the surface (Ref. 2)
Threatened: Vulnerable, see IUCN Red List  (D2) , (Ref. 36508)
Dangerous:   harmless
Coordinator: Kullander, Sven O.
Main Ref: Seegers, L. and H. Tichy. 1999. (Ref. 32272)
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Tanzania, United Rep. of country information
Common names: [ No common name ] Ref: 
Status: native Ref: 
Salinity: freshwater
Regulations: no regulations Ref: 
Uses: no uses
Comments: Recorded from Lake Natron.
Country
Information:
www.cia.gov/cia/publications/factbook/geos/tz.html
National
 Fisheries
 Authority:
www.isp.msu.edu/AFRICANSTUDIES/PLEA/TAFIRI.HTM
Occurrences: Occurrences    Point map
Main Ref: Lever, C., 1996
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  Modified:  Sampang, Arlene G. Entered:  Casal, Christine Marie V.

Ref.:  
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(e.g. 9948) (e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07