Re: A. iniridae

[<kathy@thekrib.com>]

On Sun, 30 Aug 1998, Randy or Deb Carey wrote:

> mfjacobs wrote:
> 
> > But the big question is the REAL visual difference in A. pertensis,
[and meinkeni.]

Mike in addition to what Randy had to say below....on differences with
meinkeni and pertensis.  I understand that meinkeni had the 1st 5 dorsal
lappets free vs 3 with pertensis.  Meinkeni also had a ventral stripe and
a short bar/anal spot and can have a asymmetrically round tail with a
longer upper lobe/portion.  Pertensis has a round tail and lacks the
ventral/anal stripe.

Now I haven't gotten to spawn both of these guys yet, so the info is from
the literature.  I too have 4-5 contaminants from a batch of Dicrossus and
think I may have pertensis and a possible meinkeni in there.  Haven't
gotten a chance to study them in detail. Also may have an elizabethae in
there as well...haven't even talked to Erik about that one yet.
Interesting but in some of the lit I have seen them mention that meinkeni,
uapesi, elizabethae and brevis can be found in/near the same river system
(uapesi). I am sure Mike Wise would know the latest on this, my sources
are a little older.
Kathy


Randy's reply
> 
> Like Dorthy in "The Wizard of OZ," you had the power/answer all along.  It's in
> Linke/Staeck.
> 
> [1] iniridae has the lateral band continue into the caudal, but the other two has
> a distinct caudal spot, separated from the lateral band.
> 
> [2] pertensis males have short ventrals, but the other two have long ventrals.
> 
> With these two features, you should be able to figure out the differences (on
> adult males).
> 
> Further differences are present as well.  For instance, meinkeni has a broken
> caudal pattern (upper vs lower) and only iniridae has a light, white edging on
> its dorsal and caudal fins.
> 
> 
> --Randy
> 
> 
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