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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.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce; saumâtre démersal. Tropical
Africa: Restricted to the eastern drainages of Madagascar.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 21.3 cm SL mâle / non sexé; (Ref. 50642)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
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.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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).
Niveau trophique (Réf.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (16 of 100).
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