Hara jerdoni and Erethistes pusillus

kdreymann · Post by **kdreymann** » 17 Oct 2003, 16:04

I always thought, that Hara hara and Hara jerdoni belong to the same family until I read about Hara hara's correct name is Erethistes pusillus.......
Can anyone clear this for me, please.
Klaus

Post by **Silurus** » 17 Oct 2003, 16:30

Distinguishing between the two genera isn't easy. This depends on the direction of the serrations on the anterior edge of the pectoral spine. They are divergent in Erethistes, and in the same direction in Hara.
I think it was Shane who discovered that the Hara hara of the aquarium trade had divergent serrations and hence, should be an Erethistes.

kdreymann · Post by **kdreymann** » 17 Oct 2003, 18:09

Silurus wrote:Distinguishing between the two genera isn't easy. This depends on the direction of the serrations on the anterior edge of the pectoral spine. They are divergent in Erethistes, and in the same direction in Hara.
I think it was Shane who discovered that the Hara hara of the aquarium trade had divergent serrations and hence, should be an Erethistes.

Which means - there is no catfish by the name of Hara hara?
Klaus

Post by **Silurus** » 17 Oct 2003, 18:29

Oh there is. It's just that no one really know which of the Hara being imported for the aquarium trade is the real H. hara.

kdreymann · Post by **kdreymann** » 17 Oct 2003, 18:40

Silurus wrote:Oh there is. It's just that no one really know which of the Hara being imported for the aquarium trade is the real H. hara.

Ah - I see

Thanks.
But funny, that one species, that differs just in one little part of the skeleton, belongs to a different family.......

YouTube · Post by **Jools** » 17 Oct 2003, 18:45

kdreymann wrote:But funny, that one species, that differs just in one little part of the skeleton, belongs to a different family.......

Klaus,

No, Hara belongs to the same family (Erethistidae) as Erethistes.

Jools