This is worth are read if like me, you find this area fascinating:
http://www.pnas.org/cgi/content/full/102/suppl_1/6600
Niall

See the except below - does this mean Panaqolus is re-established as a valid genus?

PANAQOLUS Isbrücker & Schraml, 2001
Panaqolus Isbrücker & Schraml, in Isbrücker et al., 2001: 20. Type species: Panaque gnomus Schaefer & Stewart,
1993. Type by original designation. Gender: Masculine.
Revision ...

Thanks Shane - can't help but feel that your knowledge of these and related fish would make a great PlanetCatfish article.

Doesn't it depend on the temperature difference between the tank and the room, the surface area of the tank, and the amount of surface agitation. I know a lot of fish houses heat the air instead of the tanks - in my small open topped tanks I use the heater to set a minimum temp 23-24C - both the ...

Just to add to the confusion - the picture posted by Shane as "Sturisomatichthys leightoni collected from the Magdalena"
is the same image listed under Sturisoma aureum in the Cat-elog.

How do the genera Sturisomatichthys and Sturisoma differ in their scientific descriptions?

Niall

sidguppy
I know how you feel - I've looked at tank after tank of whiptails trying to add to this pair - something is ususally not quite right though (usually size)

This pair is small <12cm SL and have been stuck at this size for the last 12 months - during which time they have spawned 17 times (30 ...

Sturisomatichthys leightoni?

Adults - Male 105mm SL

http://www.planetcatfish.com/forum/albu ... pic_id=685

Juvenile - 9 months

http://www.planetcatfish.com/forum/albu ... pic_id=686



Thanks
Niall

According to

Jonathan W. Armbruster Neotropical Ichthyology, 3(4):549-569, 2005 The Loricariid catfish genus Lasiancistrus (Siluriformes) with descriptions of two new species

Sexual dimorphism
Snout of nuptial males almost square (vs. rounded in females and juveniles). Adult males of most ...

There is also

Armbruster, J.W. (In press) Phylogenetic relationships of the suckermouth armored catfishes (Loricariidae)
with emphasis on the Hypostominae and the Ancistrinae. Zoological Journal of the
Linnean Society.

Anybody know the dates?
Niall

Matt
Wholesale Tropicals - Bethnal Green usually has a good catfish selection.
Niall

Hello everyone
Finally got round to signing up after following the forums for ages.
The urge to add my 2 cents worth has got too strong I guess.
Cheers
Niall