Tristramella simonis, Tvarnun simon

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Tristramella simonis (Günther, 1864)

Tvarnun simon
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Tristramella simonis
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Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Eponymy: The Reverend Henry Baker Tristram (1822–1906) was Canon of Durham Cathedral and a traveller, archaeologist, naturalist, antiquarian, and early supporter of Darwinism, who assembled a large collection of birds. [...] (Ref. 128868), visit book page.
More on author: Günther.

Issue
If the subspecies T. simonis intermedia is reconized as valid, then it is extinct in IUCN 2024-1. Tristramella magdelenae, considered again as a valid specis since 2023, is also extinct in IUCN 2024-1.

Environment: milieu / climate zone / djupintervall / distribution range Ekologi

; sötvatten bentopelagisk. Subtropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri

Asia: Lakes Tiberias and Muzairib in the Jordan system. Has apparently disappeared from Lake Hula.

Length at first maturity / Size / Vikt / Age

Könsmognad: Lm 13.3  range ? - ? cm
Max length : 25.0 cm TL hane/ej könsbestämd; (Ref. 5712)

Biologi     Ordlista (t.ex. epibenthic)

Feeds on phytoplankton, higher plants and, to a lesser extent, zooplankton. Spawning season is from March to August and each specimen spawns at least 2-3 times during that period (Ref. 13609).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Also exhibit biparental care by mouthbrooding (Ref. 13609).

Main reference Upload your references | referenser | Koordinator : Kullander, Sven O. | Medarbetare

Snoeks, J. and G.G. Teugels, 1991. Tristramella. p. 519-520. 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. 5712)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Vulnerable (VU) (B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 23 January 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Food items (preys)
Födosammansättning
Födointag
Food rations
Predatorer
Ekologi
Ekologi
Home ranges
Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans
Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
Spawning aggregations
Ägg
Egg development
Larver
Larvdynamik
Utbredning
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videos
Anatomy
Gälyta
Brain
Otolith
Physiology
Body composition
Nutrients
Syreförbrukning
Swimming type
Simhastighet
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetik
Genome
Genetik
Heterozygosity
Ärftlighet
Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.
Outreach
Medarbetare
Taxonomy
Populärnamn
synonymer
Morfologi
Morfometri
Bilder
referenser
referenser

Verktyg

E-book | Fälthandbok | Längdfördelnings-verktyg | Livshistorie-verktyg | Prickkarta | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Populärnamn | Photos

Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Nationella databaser | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [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).
Trofisk nivå (Ref. 69278):  2.0   ±0.00 se; based on food items.
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.63; tm=2).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (29 of 100). 🛈