Mastacembelus albomaculatus vs moorii?

Discussion about cichlids from Lake Tanganyika

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Dave Schumacher
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Mastacembelus albomaculatus vs moorii?

Post by Dave Schumacher » Fri Apr 26, 2013 10:57 am

Does anyone know how to distinguish between the two? Photos on the web of the two are remarkably similar. Thanks for any help.
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Re: Mastacembelus albomaculatus vs moorii?

Post by Mark Smith » Sat Apr 27, 2013 6:06 pm

The two species are quite distinct from each other. You might as well forget the photos on the web, as they are mostly incorrectly identified. Many of the images in Brichard's book are also incorrect. Basically, M. moorii is a large growing species, with large, thickened lips, more than any other species from the lake. M. albomaculatus is a much smaller species, with a reticulated patterning over the entire body. However, there is another species, often incorrectly identified as M. albomaculatus, namely M. sp. "Intermediate". It is even smaller than M. albomaculatus, has a smaller head, and somewhat shorter snout, and has thinner lips. Its color pattern is extremely variable, from a reticulated pattern nearly identical to that of M. albomaculatus, to a faded reticulated pattern, to a nearly solid beige color to nearly entirely yellow. This undescribed species is the most often exported of the Mastacembelus from the lake, particularly from the Brichrds. If you are able to post any photos of what you are referring to on the internet, I should be able to tell you what is what.

You can also see all these species I am referring to in my article, The Mastacembelid Eels of Lake Tanganyika, published last November in Tanganika Magazyn #12, pages 47 through 79. This is a Polish magazine that can only be obtained by ordering directly from the publisher. Tanganika Magazyn is also indexed here in Cichlidae.com.

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Re: Mastacembelus albomaculatus vs moorii?

Post by Lisachromis » Mon Apr 29, 2013 10:19 am

Why don't you post some pics Dave?

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Re: Mastacembelus albomaculatus vs moorii?

Post by Dave Schumacher » Mon Apr 29, 2013 2:01 pm

Thanks for the help! Sounds like I may have to change some of the labeling on my photos! I'll have to take a closer look at the reticulated fish and see if I can separate further by head shape. I tried to separate them as best as I could, and these are the three types I noted:

Image

Image

Image

I think I've got the tanganicae right, but am unsure of the others. There are two that are much darker and thicker bodied than the other reticulated fish, and those are the ones I assumed were moorii. I always appreciate your willingness to help me ID fish, Mark!
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Re: Mastacembelus albomaculatus vs moorii?

Post by Mark Smith » Mon Apr 29, 2013 5:09 pm

My pleasure, Dave. The first two images are M. sp. Intermediate, quite variable as per mention, while the last two are M. tanganicae.

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Re: Mastacembelus albomaculatus vs moorii?

Post by Dave Schumacher » Tue Apr 30, 2013 9:12 am

Thanks! I'll get that updated on the images and on my website. Is the Tanganyika Magazyn in English?
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Re: Mastacembelus albomaculatus vs moorii?

Post by Mark Smith » Tue Apr 30, 2013 9:21 am

Most of the articles are in both English and Polish.

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Re: Mastacembelus albomaculatus vs moorii?

Post by Dave Schumacher » Tue Apr 30, 2013 1:37 pm

Great, thanks. I'll order a copy.
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Re: Mastacembelus albomaculatus vs moorii?

Post by Cédric » Tue Sep 20, 2016 9:10 am

Hello everyone. Would it be possible to tell me if this is a albomaculatus or sp. intermediate ?
Thanks a lot
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Re: Mastacembelus albomaculatus vs moorii?

Post by Mark Smith » Fri Sep 23, 2016 11:50 am

How large is it? The head shape doesn't seem to match up with M. albomaculatus or M. sp. "Intermediate". Definitely not M. moorii.

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Re: Mastacembelus albomaculatus vs moorii?

Post by Cédric » Fri Sep 23, 2016 5:05 pm

About 15 cm. ...
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Re: Mastacembelus albomaculatus vs moorii?

Post by Mark Smith » Sun Sep 25, 2016 6:11 pm

That's a hard one to try to identify. It may be a very old specimen of M. sp. "Intermediate"?

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Re: Mastacembelus albomaculatus vs moorii?

Post by Cédric » Sun Sep 25, 2016 8:22 pm

Ok.
Thank you.

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Re: Mastacembelus albomaculatus vs moorii?

Post by Cédric » Mon Oct 16, 2017 4:14 pm

Hello Mark.

Do you have an idea for this mastacembelus?
He looks like the second picture of Dave...is it a sp. Intermediate?

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Re: Mastacembelus albomaculatus vs moorii?

Post by Cédric » Mon Oct 16, 2017 6:27 pm

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_20171017_0014421.jpg (26.02 KiB) Viewed 3919 times

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Re: Mastacembelus albomaculatus vs moorii?

Post by Mark Smith » Thu Oct 19, 2017 12:09 pm

Hi Cedric. I cannot see the image very well. Can you repost a larger version of this image?

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Re: Mastacembelus albomaculatus vs moorii?

Post by Cédric » Thu Oct 19, 2017 5:27 pm


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Re: Mastacembelus albomaculatus vs moorii?

Post by Cédric » Thu Oct 26, 2017 5:50 pm

This is a picture of the head shape.
I think the eel is smaller than 17 cm.... Maybe, 15 cm.

http://hpics.li/5e032d8

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Re: Mastacembelus albomaculatus vs moorii?

Post by Mark Smith » Sat Nov 11, 2017 10:55 pm

It looks like M. sp. "Intermediate" to me, but am not 100% sure.

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Re: Mastacembelus albomaculatus vs moorii?

Post by Cédric » Sun Nov 12, 2017 4:11 am

Ok. Thank you Mark!

Do you have pictures of young specimens.of.each species (albomaculatus, intermediate and moorii)?

Personnaly, i'm looking for an albomaculatus but it really difficult to find it. The mastacembelus are sold in a group with other species so it not easy. Maybe, some pictures could help me to have a better idea.

Thank you.

Cédric

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