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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 / نطاق العمق / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Subtropical
Asia: Lakes Tiberias and Muzairib in the Jordan system. Has apparently disappeared from Lake Hula.
Length at first maturity / الحجم / وزن / العمر
النضج: Lm 13.3 range ? - ? cm
Max length : 25.0 cm TL ذكر/ مختلط الجنس; (Ref. 5712)
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
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Also exhibit biparental care by mouthbrooding (Ref. 13609).
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
استخدامات بشرية
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 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).
مستوى غذائي (مرجع
69278): 2.0 ±0.00 se; based on food items.
المرونه (مرجع
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.63; tm=2).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).
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