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By new do you mean since the late 1980s? As for the blond ones who knows? Maybe they were bred from macs that were erroneously identified in the past. As for adding river names to known species, maybe the supplier sees the fish and gives them a name of a fish that to him looks exactly like that...
I agree with both above. Apisto fry orient to signals given by their mother. Without a mother they tend to remain mostly motionless on the bottom (a survival behavior) and don't actively feed. I would only pull eggs if the species was extremely rare and their natural habitat was destroyed. Then...
Almost none of my apistos have ever taken flake food from the water column. Pellets? Only a couple of brands. As I wrote before, I feed mostly live and frozen foods. Maybe I spoil them. Why eat hamburger when you know you'll get steak if you wait.:)
Do they actually change the names to mislead? Or do they use the same name that the fish has been called for decades? These are the names their customers (retail outlets) know. None are true taxonomists. They are business people trying to make a living. IMHO 'caveat emptor' on the part of the...
I feed mostly brine shrimp, both live bbs and frozen. Bug Bites are basically a weekly suppliment. Yes, red are more subdued but still red, not orange/yellow that occurs with fish fed a primarily dry diet. Oh, my apistos ignore Bug Bites flakes, but my other fish love them.
Are these wild caught fish? If so my guess is that they are black spots caused by a diagenetic parasite and won't spread on the fish or to other fish. Here are some photos of my fish:
The ones on the left are wild fish I brought back from Peru. The ones on the right are some of their...
My question is who is the blame? The retailer, who is not an expert in apistos but sells the fish as listed by their supplier? Or is it the hobbyist who doesn't know the difference. When I give talks this is the first slide:
I don't see where SF claims that they are "grown in sterilized facilities", only that they sterilize them later prior to packaging. SF is a fairly respected brand so I wouldn't be overly concerned. Just use bloodworms sparingly, not as a regular part of their diet.
This is the subforum for non-apisto SA dwarf cichlids.
On another note, if I want a species that are not sexed for whatever reason I will always buy at least 6. Statistically this gives you a 96% chance of getting both sexes. Of course it requires that the original population is about even for...
I don't want to disillusion you, but your "A. cruzi" are not the true (holotype species) of A. cruzi. You can compare your fish with those collected in the middle Rio Mazan by TomC: https://www.tomc.no/fish.aspx?fishIndexID=2287&gruppeID=1.
The most recently imported specimens of I. bimaculata were brought in by hobbyist/collectors. The species occurs so far from commercial collecting locations that it is not economical for commercial collectors to collect them. So unless other hobbyists go and collect new specimens it is unlikely...
Fin shape might be due to age. Alenquer males develop longer fins as they mature. If the male is <2"/5cm SL then it is probably just young. If it is over 2¾"/7cm SL the questions arise.