Collected in an area where the water is gray and substratum consists predominantly of large black boulders, gravel and mud; aquatic vegetation mainly with reeds and Vallisneria .
Dorsal spines (total): 0; Dorsal soft rays (total): 14; Anal spines: 0; Anal soft rays: 9; Vertebrae: 28 - 29. Distal part of gonopodium blade ray 3 bluntly pointed; three quarters of the caudal fin with fine red stripes; claw of tip of gonopodium ray 5 greatly enlarged; height/length ratios of tip of blade 5.6-6.3; dark pigmentation of the midlateral band continuous with the dark dorsal pigmentation of the sword in male. Caudal fin in males ray 5-8 forming a long sword; pelvic fin in females reaching to anal-fin base, in males to middle of gonopodium, second ray extremely prolonged and split, middle region thickened .: fusiform / normal.
Behavioural data for Xiphophorus Mayae is currently being reviewed.
Freshwater; benthopelagic. Tropical; ? - 26°C Central America: Guatemala and Honduras.
The following diseases are known to affect Xiphophorus Mayae.
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