Klassifizierung / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Petrochromis: Latin, petra = stone + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Issue
Synonym of Petrochromis trewavasae in Eschmeyer (CofF ver. Oct. 2012: Ref. 92135).
Environment: milieu / climate zone / Tiefenbereich / distribution range
Ökologie
; süßwasser demersal. Tropical; 5°S - 9°S
Africa: endemic to Lake Tanganyika, lake-wide distribution (Ref. 46829), but not existing in Burundi waters (Ref. 6770).
Size / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 18.0 cm TL Männchen/unbestimmt; (Ref. 2060)
Lives in the shallow precipituous rocky habitat, which is characterized by rocks piled on top of each other forming a complicated network of caves and crevices (Ref. 46829). Herbivore; feeds on algae which are scraped from rocks Ref. 6770, 46829). Maternal mouthbrooder; males strongly territorial (Ref. 46829).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Konings, A., 1998. Tanganyika cichlids in their natural habitat. Cichlid Press. 272 p. (Ref. 46829)
IUCN Rote Liste Status (Ref. 130435: Version 2025-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Aquarium: Kommerziell
Tools
Zusatzinformationen
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01862 (0.00830 - 0.04177), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.0 ±0.00 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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