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Petrochromis trewavasae  Poll, 1948

Threadfin cichlid
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Image of Petrochromis trewavasae (Threadfin cichlid)
Petrochromis trewavasae
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Petrochromis: Latin, petra = stone + Greek, chromis = a fish, perhaps a perch (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 7.5 - 8.5; dH range: 10 - ?.   Tropical; 23°C - 25°C (Ref. 2060); 7°S - 9°S

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref. 5679)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: endemic to Lake Tanganyika, restricted to the southwestern part of the lake (Ref. 46829, 52921).

Biology     Glossary (e.g. epibenthic)

Lives in the shallow, rocky habitat; extremely shy; usually found in groups; feeds on algae and has long digestive tract (Ref. 46829). Feeds by scraping rock biocover (Ref. 6770, 46829). Females brood their young in the mouth (Ref. 46829, 86760).

Main reference Upload your references | References | Coordinator : Kullander, Sven O. | Collaborators

Konings, A. and H.W. Dieckhoff, 1992. Tanganyika secrets. Cichlid Press. 207 p. (Ref. 52921)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: ; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00397 - 0.02640), b=2.99 (2.75 - 3.23), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.1   ±0.1 se; Based on diet studies.
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (21 of 100) .
Price category (Ref. 80766):   Unknown.