Re: A. iniridae

[Mike & Diane Wise <apistowise@bewellnet.com>]

kathy@thekrib.com wrote:

> 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

Kullander's 1980 original description lists A. meinkeni sympatric with A. uaupesi, A.
brevis, and A. elizabethae. This is the only confirmed location for this species, but a
wider distribution is probable. A. meinkeni - or one or two very closely related
species - is reported from the Rio Tefé on the Rio Solimões and comes in with apistos
from the mid-lower Rio Negro (A. pertensis & A. hippolytae).

Mike Wise

> 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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