Liniparhomaloptera disparis disparis profile*x

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Jim Powers
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Liniparhomaloptera disparis disparis profile*x

Post by Jim Powers » Sun Oct 08, 2006 9:26 pm

*work in progress*

Scientific name: Liniparhomaloptera disparis disparis (Lin, 1934)

Common name: Broken band hillstream loach, Lizard fish

Synonyms: Liniparhomaloptera disparis, Homaloptera disparis, Parahomaloptera disparis

Distribution: China

Sexual Dimorphism: Females are more plump than males and tend to be larger in size.

Maximum size: 2 inches

Similar to: Other Liniparhomaloptera species and Vanmanenia species. May be easily confused with Glaniopsis multiradiata <(LINK)

Care: Typical hillstream loach conditions. This species needs clean, well oxygenated water with a strong flow. There should be plenty of of flat stones on which this fish can rest. Some hiding places are also appreciated. While plants are not found extensively in its habitat of swift flowing, rocky bottomed hillstreams, L. disparis will use them for resting and grazing in the aquarium. Lighting should be strong enough to encourage some algae growth.This fish will do well in a river tank mixed with other hillstreams as well as danios, barbs, rasboras or white clouds.

Feeding: Liniparhomaloptera disparis eats a wide variety of foods in the aquarium. Bloodworms, brine shrimp, most pelleted foods, as well as blanched spinach and kale leaves will be readily accepted. Some algae is also important in the diet.

Water parameters: pH:6.4 -7.5 . Hardness: medium . Max dh:

Temperature: 68 ºF to 76 ºF (20-25°C)

Breeding: This species has been bred in the aquarium.

Notes: This species is most commonly imported as a contaminant in shipments of Rhinogobius duospilus, the White-cheeked Goby. >LINK to Fishbase? It is unfortunate that this species is not regularly imported since it is an attractive, active addition to the aquarium that will readily breed, if the proper river tank conditions are provided.

The female will swim about the tank, burying her snout in the substate in order to find the proper nesting site. She then, flanked by the male or males, begins digging a depression in the gravel. Often times a nest site will be abandoned and another site chosen. The male will harass the female, while she is digging the nest, by prodding her in the abdomen with his snout. He will then enter the nest and fertilize the eggs which are the size of a (.). After the spawning is completed, the female takes great care to fill in the depression so that it is level with the surrounding substrate. In 10-14 days the fry emerge from the gravel and begin to graze on the rocks and plant leaves. In 4 months the young will grow to about 1.5" and will be sexually mature at 6 months.

This species has been for several years mis-identified in fish-keeping literature as Homaloptera zollingeri. <(LINK)

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Caption:
Credit: Mark Macdonald

Image
Caption:
Credit: Mark Macdonald

Image
Caption:
Credit: Jim Powers

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Caption:
Credit: Mark Macdonald

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Caption: Liniparhomaloptera disparis spawning.
Credit: Jim Powers

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Caption: L. disparis Female with fry at lower right of picture.
Credit: Martin Thoene

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Caption: Liniparhomaloptera disparis
Credit: Mark Macdonald

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Caption: Liniparhomaloptera disparis
Credit: Mian
Last edited by Jim Powers on Sun Oct 22, 2006 2:45 pm, edited 3 times in total.
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Jim Powers
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Post by Jim Powers » Sun Oct 08, 2006 9:41 pm

Martin, I would appreciate it if you would take a look at this and see if there is anything I missed.
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Emma Turner
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Post by Emma Turner » Mon Oct 09, 2006 8:15 am

Just a minor note, Rhinogobius wui is now called Rhinogobius duospilus. I stumbled across this a few weeks back when I imported some. Sadly there were no L. disparis disparis contaminants (which I had been hoping for! :wink: ).

Emma
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Jim Powers
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Post by Jim Powers » Mon Oct 09, 2006 9:12 am

Thanks for that update, Emma. Keep looking, you're liable to run accross disparis in a goby shipment, eventually.
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Martin Thoene
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Post by Martin Thoene » Mon Oct 09, 2006 9:27 am

Hmmmmm........Graeme.....did you add that pic of yours? I looked in your gallery last night while adding the other stuff and I'm not convinced that it actually is L. disparis, therefore I left it out. Fab pic tho'

What do you think Jim?

Martin.
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Jim Powers
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Post by Jim Powers » Mon Oct 09, 2006 9:30 am

I'm not sure. It might be a Vanmanenia, but then again... :?
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Graeme Robson
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Post by Graeme Robson » Mon Oct 09, 2006 9:43 am

I've removed it, just in case it it complicates matters. :wink:
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Martin Thoene
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Post by Martin Thoene » Sun Oct 15, 2006 1:39 pm

Added text in Similar To:, plus link annotation.

Removed a pic that I believe is Glaniopsis multiradiata.

I think possibly that Mark's pictures here may be that species. Mark?

Martin.
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Mark in Vancouver
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Post by Mark in Vancouver » Sat Oct 21, 2006 7:00 pm

I assumed they were disparis, but you'll recall my river tank is empty now...
Your vantage point determines what you can see.

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shari2
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Post by shari2 » Sun Oct 22, 2006 9:55 pm

why is there 2 'disparis' in this name? That creates a data issue unless 'disparis disparis' is the species name?

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Martin Thoene
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Post by Martin Thoene » Sun Oct 22, 2006 10:01 pm

Image Resistance is futile. You will be assimilated.

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shari2
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Post by shari2 » Sun Oct 22, 2006 10:03 pm

Please explain further?

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shari2
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Post by shari2 » Sun Oct 22, 2006 10:10 pm

We have two so far:
C. taenia taenia,
L. disparis disparis

Are there others you know of? We will have to develop a protocol for how the database will handle them...

Also is Schistura cf. kohchangensis one of the 'unknowns' we've done, or does it need to join the group?

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Martin Thoene
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Post by Martin Thoene » Sun Oct 22, 2006 10:27 pm

We have two so far:
C. taenia taenia,
L. disparis disparis

Are there others you know of? We will have to develop a protocol for how the database will handle them...
Yes, there you are going to need something sorted i guess. Not sure if there's more. Cobitis taenia has lots of regional variants, no doubt some with suffix names. Basically irrelevant because it's not a suitable aquarium resident anyway and covering the subspecies would just be anal :roll:
Also is Schistura cf. kohchangensis one of the 'unknowns' we've done, or does it need to join the group?
Executive decision time. If it won't fit your database "as is" then designate it a "Schistura unknown" # and re-title it, re-caption it so, etc. But put a note in somewhere that it is probably related to kohchangensis.

That way it fitsin with the others.

Martin.
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Martin Thoene
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Post by Martin Thoene » Sun Oct 29, 2006 11:14 am

Added new picture.

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