Red top williamsi (Pseudotropheus williamsi)

Scientific name: Pseudotropheus williamsi G?nther, 1894

The Red top williamsi (Pseudotropheus williamsi) is a freshwater fish of the family Cichlidae. In the aquarium it needs water at 24–26°C (75–79°F). Native range: Africa, Endemic to Lake Malawi. Occurs in Deep Bay, Vua, Nkhata Bay; Likoma, Chisumulu, Mbenji and Maleri Islands; the southeast arm of the lake.

Red top williamsi care at a glance

Temperature: 24–26°C (75–79°F)

Biology

Dorsal spines (total): 17; Dorsal soft rays (total): 8; Anal spines: 3; Anal soft rays: 8. No acutely sloped ethmovomerine block. Lower jaw parallel to a line from the tip of the snout to the hypural plate. Head depth 102% HL); eyes large, vertical eye diameter 25.5%.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Pseudotropheus williamsi
Family: Cichlidae (Cichlids)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 16.5
Environment: Freshwater;; pH range: 7.8 - 8.3; dH range: 10 - 20 benthopelagic
Climate: Tropical
Distribution: Africa: Endemic to Lake Malawi. Occurs in Deep Bay, Vua, Nkhata Bay; Likoma, Chisumulu, Mbenji and Maleri Islands; the southeast arm of the lake.
Conservation status (IUCN): Least Concern (LC)
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)