Batrochoglanis castaneus, new species (Pseudopimelodidae)

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Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by lfinley58 »

Shibatta, Oscar A. 2019. New species of bumblebee catfish of the genus Batrochoglanis Gill, 1858 (Siluriformes: Pseudopimelodidae) from the Aripuanã River basin, Mato Grosso, Brazil. Zootaxa, Volume 4674, Number 2: 243-263.

Abstract:
A new species, Batrochoglanis castaneus, is described from the Aripuanã River basin, Brazil. It differs from congeners, except B. raninus and B. transmontanus, by the dark brown color of the body and a dark brown stripe on the caudal fin. The new species differs from B. raninus by the longer maxillary barbel, longer prepelvic length, greater prepectoral length, smaller anal-fin base length, and smaller head depth. The new species differs from B. transmontanus by the longer caudal-fin dorsal lobe, presence of a hyaline spot or stripe on pelvic, dorsal, and anal fins, longer maxillary barbel, longer pectoral-fin, and dorsal-fin spines, greater eye diameter, smaller head depth, and larger mouth width. A metapterygoid anteriorly bifurcated and the lateral line reaching the adipose fin present in the new species are interpreted as synapomorphies of Batrochoglanis. On the other hand, the distribution of pore and neuromasts of the laterosensory system of the head seems to be very conservative in the family. The new species is known only from the Aripuanã River basin, reinforcing its characteristics as an area of endemism for fishes in the Amazon basin.

https://www.mapress.com/j/zt/article/vi ... a.4674.2.6

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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

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@Yellowcat
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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by Jools »

Are you thinking this might be Batrochoglanis sp(1)?

Jools

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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by Viktor Jarikov »

IDK if you asking me or Lee, Jools, but Yellowcat has been the one always keen on getting new and unknown Pseudopims and especially the more manageable Batrochoglanis.

If memory serves, he raised a few of these that he couldn't ID to the species then known and described.
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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by Jools »

Sorry I wasn't clear, I was sort of asking you Viktor but also @Yellowcat too.

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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by bekateen »

Just following up on this: @Yellowcat, any thoughts on whether Batrochoglanis castaneus might be your Batrochoglanis sp(1)?
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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by yellowcat »

I have all or most of Dr. Shibatta's papers of his scientific discoveries of new genus' and many new species along with revisions as with the one quoted, due to my keen interest in pseudopimelodidae and the genus batrochoglanis in particular. The short answer is no, batrochoglanis sp(1) and my specimen of batrochoglanis sp(2) both came from Peru, not Brazil as with b. castaneus and other species he has found and described there. The b. villosus I kept in the past was also said to be a Peruvian import and not much information exists about batrochoglanis in Peru. Peruvian exporters in Iquitos on the upper Amazon show photo's of their batrochoglanis in stock for sale yet the current map shown in the Cat-Elog under batrochoglanis shows no species from there.
Big Boy.JPG
This one came from an importer that imports exclusively from Peru. Anyway I haven't been able to find any batrochoglanis species other than the more common b. raninus for sale anywhere for years...
Africa: Claroteidae-parauchenoglanis ngamensis, 2-parauchenoglanis monkei, 3-auchenoglanis biscutatus. Mochokinae-synodontis batensoda, 2-synodontis pardalis. South America: Pimelodids-p. blochii, 2-platysilurus mucosus. Pseudopimelodids-c.fowleri. Doradidae-anadoras grypus, 2-rhinodoras dorbigny, Locariidae 3-ancistrus triaradiatus

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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by bekateen »

Thanks for the input. Batrochoglanis castaneus is now in the CLOG.

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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by Jools »

yellowcat wrote:
Mon Jul 13, 2020 5:11 am
Peruvian exporters in Iquitos on the upper Amazon show photo's of their batrochoglanis in stock for sale yet the current map shown in the Cat-Elog under batrochoglanis shows no species from there.
It does, but it's a matter of interpretation. The distribution of B. ranius and B. villosus is so wide (Amazon basin), the pin on the map shows the centre of the Amazon basin which happens to be in Brazil. The type locality of B. ranius is near Rio de Janiero and B. villosus in Guyana. Peru is it's western most range. Happy to add a few rivers where we know it occurs in Peru to broaden what's shown on the map - just let me know.

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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by Jools »

bekateen wrote:
Mon Jul 13, 2020 5:54 am
Thanks for the input. Batrochoglanis castaneus is now in the CLOG.

Cheers, Eric
Thanks Eric, I added the river it occurs in to the site too.

Cheers,


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Re: Batrochoglanis castaneus, new species (Pseudopimelodidae)

Post by bekateen »

Jools wrote:
Mon Jul 13, 2020 11:33 am
Peru is it's western most range. Happy to add a few rivers where we know it occurs in Peru to broaden what's shown on the map - just let me know.
I looked it up on GBIF and added three Peruvian rivers based on that.

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