green texas

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Apollyeon

Plecostomus
MFK Member
Oct 15, 2019
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can the male have the dorsal spot or is it only the females that have it?
 
In most cases in normal coloration, the males will not sport black spot.
Of course in this era of random hybridization where amateurs scramble the genes of any fish they can get their hands on, gender lines may be becoming skewed.
Here is a normal color male H carpintus

However when in a spawning rut, or when raising fry, males will taking on the same colors as females. This color helps signal to fry who their proper parents are.
Pair raising fry.

and below a male, just starting to color up for spawning
 
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