Classificação / Names
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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); loisellei: Named for Paul V. Loiselle, who collected the type series, in recognition of his many contributions to the understanding and conservation of Madagascar's freshwater fishes (Ref. 57663).
Eponymy: Dr Paul V Loiselle is Emeritus Curator of Freshwater Fishes at the New York Aquarium and a very enthusiastic aquarist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal. Tropical
Africa: Madagascar.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 11.9 cm macho/indeterminado; (Ref. 57663)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 13 - 14; Raios dorsais (total) : 12 - 13; Espinhos anais: 3; Raios anais : 8 - 9; Vértebras: 27 - 28. It is distinguished from all congeners by a unique pigmentation pattern and coloration comprising an expansive, generally vertically oriented, black band or blotched region of black pigment below the lateral midline and just anterior to the origin of the anal fin, and by an overall dark grayish-green body coloration (Ref. 57663). Moderately deep-bodied and lateral compressed (Ref. 57663).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Stiassny, M.L.J. and J.S. Sparks, 2006. Phylogeny and taxonomic revision of the endemic Malagasy genus Ptychochromis (Teleostei: Cichlidae), with the description of five new species and a diagnosis for Katria, new genus. Am. Mus. Novit. 3535:1-55. (Ref. 57663)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
