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Cichlids / Africa / Lake Tanganyika / Polli

Polli, Poll's Tropheus
Tropheus polli

Synonyms: None
Physical description: The forehead is steep and the caudal fin is deeply forked. The body color is slate gray, although a black colored variation with white body stripes is available. The eye is bright turquoise in well-maintained water.
Size/Length: To 6" (15 cm)
Similar species: None
Habitat: Eastern Africa; rocky areas at depths of 3-13 feet (1-4 m) near the Bulu Islands and Bulu point, on the northwestern shore of Lake Tanganyika.
S: bottom, middle
Aquarium: Use a tank with the dimensions of at least 48" (122 cm) with a capacity of 55 gallons (209 L). Arrange as one would for T. moorii.
Water chemistry: pH 7.3-9.2 (8.1), 8-22 dH (15), 77-82°F (25-28°C)
Social behavior: A highly aggressive fish towards others of its own species. This fish is territorial, although peaceful towards dissimilar species. At this time, it is still unclear as to the nature of the fish, if it is a schooling or loner fish. Pairs from monogamous bonds at spawning times and the mother raises the young.
Suggested companions: Julidochromis, Neolamprologus, Eretmodus, Synodontis, Lamprologus.
FOOD: Algae; live; crustaceans, aquatic insects, black mosquito larvae; flakes; tablets; oatmeal; vegetables; lettuce, spinach. See notes under Tropheus moorii.
Sexual differences: Again sexual distinction is difficult, males may have a greater fork in their tail.
Breeding techniques: See recommendations for T. moori.
Breeding potential: 7. A moderately difficult fish to breed.
Remarks: At least three color morphs are available. T. polli is easily distinguished from other Tropheus species by its characteristic forked caudal fin. Sensitive to changes in water chemistry. See notes under T. moorii.
Difficulty of care: 7. Care must be taken in water changes and feeding. See T. moorii for other notes.


By Rhett Butler   Mongabay.com