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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).
More on authors: Matthes & Trewavas.
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce bentopelágico; pH range: 7.5 - 8.5; dH range: 7 - 18. Tropical; 23°C - 26°C (Ref. 2060); 3°S - 6°S
Africa: Endemic to the north end of Lake Tanganyika.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.1 cm TL macho / no sexado; (Ref. 5679)
Solitary adults are usually found over rocks. Feed by scraping rock biocover (Ref. 6770). Females brood their young in the mouth (Ref. 86760).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Eggs from the cleavage phase and larvae of up to 2.05 cm TL are mouthbrooded by female parents ranging from 8.7 to 9.5 cm SL (Ref. 86760).
Maréchal, C. and M. Poll, 1991. Petrochromis. p. 369-373. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5679)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: comercial; Acuario: Comercial
Herramientas
Special reports
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Fuentes de Internet
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=0.01905 (0.00827 - 0.04391), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 2.0 ±0.0 se; based on diet studies.
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).