Ptychochromis insolitus  Stiassny & Sparks, 2006

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Ptychochromis insolitus
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Actinopterygii (Straalvinnigen) > Perciformes (Perch-likes) > Cichlidae (Cichlids) > Ptychochrominae
Etymology: Ptychochromis: Greek, ptyx, = fold + Greek, chromis = a fish, perhaps a perch (Ref. 45335);  insolitus: Name derived from the Latin, insolitus, meaning 'unusual, odd, queer', in reference to the somewhat atypical appearance of the species and the anomalous morphology of the aquarium raised specimens used for the original description (Ref. 57663).

Omgeving / Klimaat / Range Ecologie

; zoetwater demersaal.   Tropical, preferred ?

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

Africa: Madagascar (Ref. 57663).

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 5.5 cm SL mannelijk/geslacht niet bekend; (Ref. 57663)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 13; Dorsale zachte stralen (totaal): 11; Anale stekels 3; Anale zachte stralen: 8; Wervels: 27. It is distinguished from congeners by a reduced number of precaudal vertebrae (12) and a reduced number of infraorbital elements (5), and also by the presence of a faint midlateral stripe, beginning just posterior to the dorsocaudal margin of the opercle and extending to caudal-fin origin (Ref. 57663). It is a comparatively shallow bodied and laterally compressed Ptychochromis (Ref. 57663). In life, base body coloration is silvery to silvery-golden, particularly below lateral midline; cheek and opercular series silvery; body golden with blackish speckles and blotches above midline, including nape, top of head, and infraorbital series; unpaired fins reddish, particularly distally, or dark gray; pectoral fins pale and reddish; pelvic fins pale reddish and may exhibit some black pigmentation along caudal margin (Ref. 57663). In preservative, ground coloration is pale yellowish-olive, with faint dark stripe present along lateral midline, more pronounced posteriorly; fins hyaline to pale yellowish-olive (Ref. 57663).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator : Kullander, Sven O. | Medewerkers

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 op de Rode Lijst van het IUCN (Ref. 109396)

  Ernstig bedreigd (CR) (B1ab(i,iii,v)+2ab(i,v))

CITES (Ref. 94142)

Not Evaluated

Gevaarlijk voor mensen

  Harmless




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