Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
; acqua dolce demersale. Tropical
Africa: Nosivolo River, Tamatave Province, Madagascar.
Size / Peso / Age
Maturità: Lm ?  range ? - ? cm
Max length : 12.7 cm SL maschio/sesso non determinato; (Ref. 26236)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 14 - 15; Raggi dorsali molli (totale) : 9 - 11; Spine anali: 3; Raggi anali molli: 8 - 9; Vertebre: 29 - 31. Solid golden-brown base body coloration, with two wide, black vertical bars on the flanks (Ref. 39915).
Inhabits rivers with sand and gravel bottom and scattered boulders.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Reinthal, P.N. and M.L.J. Stiassny, 1997. Revision of the Madagascan genus Ptychochromoides (Teleostei: Cichlidae), with description of a new species. Ichthyol. Explor. Freshwat. 7(3-4):353-368. (Ref. 26236)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 1.0000 [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).
Trophic level (Fonte Biblio.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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