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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Ptychochrominae
Etymology: Ptychochromis: Greek, ptyx, = fold + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Eponymy: Alfred Grandidier (1836–1921) was a French explorer, geographer, herpetologist and ornithologist who made his first visit to Madagascar in 1865. [...] (Ref. 128868), visit book page.
More on author: Sauvage.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water; brak water demersaal. Tropical
Africa: Restricted to the eastern drainages of Madagascar.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 21.3 cm SL mannelijk / geslacht onbekend; (Ref. 50642)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Expansive second pharyngobranchial tooth plates with 4-7 rows of closely set teeth (Ref. 50642). A yellowish to golden base coloration with a horizontal series of well-defined black blotches situated mid-laterally on the flank (Ref. 50642).
Body shape (shape guide): fusiform / normal.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Sparks, J.S., 2003. Taxonomic status of the Malagasy cichlid Ptychochromis grandidieri (Teleostei: Cichlidae), including a molecular phylogenetic analysis of the ptychochromine cichlids. Ichthyol. Explor. Freshwat. 14(4):317-328. (Ref. 50642)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |