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It is a color-enhanced domestic strain that you have. Even females can show masculine features so it is hard to sex this fish. Wild fish? Easy. Domestics? Not so much. Other than egg laying and becoming more yellow when brooding fry, females should have shorter, more blunt tips on the anal and...
It's very unlikely. A. panduro females do not exhibit these patches until they reach maturity. Until then they typically exhibit a lateral band or a much smaller lateral spot.
I have a similar experience with A. wolli. All of the females that TomC and I caught had one spot on each side. The same is true for females in the type series in the original description. All were collected in a known site in the wild. After many generations of offspring I get those with 2...
No, not really to the fish. You will never know what colors will appear. Only in line-bred domestic strains of A. borellii will you get most specimens to appear the same.
If only one male in the tank why would it mascarade as a female???
Juveniles of apistos all tend to show female features.
Exactly what is expected.
Ventral patches are the large black blotches that show on the ventral area, usually below the lateral band, on females of most nijsseni-group...
I wouldn't worry about color. It certainly isn't Opal (whatever that is). If you look at TomC's site (https://www.tomc.no/page.aspx?pageid=127) you will see that there are at least 3 and probably many more species under the A. borellii name. Most of these species are polychromatic to some...
I have never seen a male with a ventral patch. This is a female trait in some female A. panduro. Other have a more vertical patch (Brustband). I am guessing that these are domestic fish. If so, anything is possible especially if highly inbred.
Yes and they are from different areas of South America. On another note you probably will encounter problems mixing your apistos with other bottom-dwelling fish especially when they try to breed (and they will try).
In a word, no. This plan has 2 strikes against it. #1 is the electric blue acara (Andinoacara pulcher, probably) is more peaceful than other members of the genus like Green Terrors but is more territorial and aggressive than most apistos. #2 breeding apistos - and they will if both sexes are...
The Rio Jurua/Yurua is a river found in western Brazil although a few of its headwater streams do originate in eastern Peru. 'Yurua' is the Portuguese spelling and 'Jurua' is the Spanish spelling for the same river. I get the feeling that I know the Peruvian collector/exporter. He often goes...
I keep a male apisto (A. sp. "Wangenflecken) in with 6 corys in my 40 gallon breeder community tank. Other than pushing the corys out of the way during feeding there is little aggression between them. It would be a different story altogether if it were a more territorial apisto species - or a...
The more I see the less certain that these fish are from Brazil. They look just like A. cf. eunotus Orangeschwanz from near Iquitos, Peru, a major export location.
It might be A. sp. cf. "Gelbwangen Sichelbinden" that Dieter Bork pictures in the Aqualog Extra. It, too, came from an unknown collection site and exported from Manaus. Still, Frank is correct more photos in different moods will be helpful. Many of the regani-complex species appear very similar.
Dr. Stanley Weitzman, God rest his soul, was an immanent taxonomist and a 'lumper'. No one wanted to contradict his opinion. Now with genetic sequencing and all, we may see changes.
Is'nt it amazing how different the same fish can appear in different moods? I now am more certain that Frank's identification is correct. It is a form/population of A. cf. eunotus.
Your supplier can be the most reputable one around but no one is totally knowledgeable on every fish. Most, like...