pectinifrons and albomaculatus

TalenT · Post by **TalenT** » 30 Nov 2003, 20:44

The LFS have both Agamyxis pectinifrons and A.albomaculatus on their list... now iÂ´m wondering, what is the difference between the two? IÂ´ve looked at the pics on albomaculatus in the Cat-eLog and iÂ´ve got a A.pectinifrons in one of my tanks. There seems to be a slight differ in the markings. Yet IÂ´ve seen that the markings on catfishes sold as A.pectinifrons may vary quite alot between individuals (size, location, ammount and color of the spots). The LFS also tells me that the two species (on their list) are sold at the exact same price.

magnum4 · Post by **magnum4** » 03 Dec 2003, 00:14

i'm struggling to answer this one to me they look nothink alike

YouTube · Post by **Jools** » 03 Dec 2003, 00:20

AFAIK, they look the same. A. albomaculatus is a nothern species and A. pectinifrons is the one found in the amazon basin.

Jools

magnum4 · Post by **magnum4** » 03 Dec 2003, 00:45

Ok a real answer. A.albomaculatis is not as thickly set behind the head,in comparason(best decription i could think of and in 3D is the easy way to tell them apart). with A. pectinifrons.

YouTube · Post by **Jools** » 03 Dec 2003, 00:47

magnum4 wrote:Ok a real answer. A.albomaculatis is not as thickly set behind the head,in comparason(best decription i could think of and in 3D is the easy way to tell them apart). with A. pectinifrons.

Cool, where'd you pick up that nugget? I'd like to look into that more.

Jools

magnum4 · Post by **magnum4** » 03 Dec 2003, 01:03

actually this ones based on distrubution shipments they both share peru/amazon waters but only Agamyxis albomaculatus is from venezuela.

YouTube · Post by **Jools** » 03 Dec 2003, 01:06

magnum4 wrote:actually this ones based on distrubution shipments they both share peru/amazon waters but only Agamyxis albomaculatus is from venezuela.

I'm not following you?

magnum4 · Post by **magnum4** » 03 Dec 2003, 01:10

As different shipments of fish come in from different places I sort of new which species were which from location information, then it was just comparing the two to find the differences.

YouTube · Post by **Jools** » 03 Dec 2003, 13:34

Very intersting, anyone know if there is any published information to back this up? Would you be able to take photographs to show this?

Jools

magnum4 · Post by **magnum4** » 03 Dec 2003, 20:31

Would you be able to take photographs to show this?

I don't have access to these species at present but its possible from above or looking up the back from tail to head in good light would show this. Don't know about any published information but not to my knowledge.