Gobiidae Id

[torso]

in a “surprise bag” with pseudogastromyzon cf cheni (no cheni, but some others) I received this unique one. apparently a female if anyone had an idea …

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[Matt]

Rhinogobius sp.?

[torso]

yes so far

[afroturf]

Looks very similar to some of my smaller female R. candidianus.

[torso]

thanks
I’ve seen this species in the gallerie of aqua-global
http://www.aqua-global.de/Bilder/Rhinogobi…candidianus.jpg

here the species/male shows red parts
http://images.google.ch/imgres?imgurl=http…%26tbs%3Disch:1
here as well
http://images.google.ch/imgres?imgurl=http…%26tbs%3Disch:1
at fishbase candidianus looks very different. a surprise?
do your males look like this’ and do adult females change?
at first sight no red stripes on the head
with an enlargerged pic yes could be. what surprises me: r candidianus origines from Taiwan and comes in with ps cf cheni
ps: just read they come from china too?

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[cfai]

Rhinogobius Duospilus.

[Matt]

Hmm aren’t there a whole bunch that look similar to R. duospilus?

[torso]

QUOTE (Matt @ Apr 22 2010, 03:41 PM) <{POST_SNAPBACK}>

Hmm aren’t there a whole bunch that look similar to R. duospilus?

yes. but there are two points to add: duospilus doesn’t look like. I have seen them yesterday live. second: as I get my “specials” from the retailer as species to identifie it is unlikely to be a species they have on the stocklist – as r wui (but they know the new name, it’s just a way to keep the fish going into the LFS without a break because of changed scientific name).
I hope to have more pics – and some other specimen

[cfai]

See the following pictures. it may help to ID your fish.

[torso]

thanks cfai
I had a visitor breeding r duospilus. he says: can’t be. this one is at least 5 cm long, duospilus are smaller, not so strong and with different pattern and so on. what irritates me: pics of r duospilus show very different species. I’m going to work that out with the threads on perfrd
r candidianus is not far, but I should really have some more specimen. may be some come in on wednesday.
whatever: for my special tank 140x25x25 without heating, s. barbatus and r duospilus are targeted. may be this one too and some n. chrosomus (if I get sound ones) and so on. I think I’ll need a second long tank.

[Matt]

I agree with you Charles – will get to work on Rhinogobius before too long.

#317632

[torso]

some pics.
interesting the orange spot on the head, only to be seen from this side and the orange spots in the ventral and anal fins only in the lateral view
and it really has this wonderful radiant blue
the body shape looks very strong to me. it has no problems to chase the large pseudogastromyzon fasciatus/fangi and sewellia sp away

Attached files

[torso]

the yahusikotakia nigrolineta I’ve got recently are now in the 112 lt tank together with pseudogastromyzon spp and rhinogobius cf candidianus. to my surprise they fit better together than exspected. the rhino female, normally chasing all hillies away lies side by side in a cavern with nigros.
a friend found me a pair of the same rhino species in germany. I’m curious to see the male.
some first pics of the rhinogobius duospilus in the quaratine-tank

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[torso]

I’ve got the pair. thanks Pascal.
the colouring is a little different: the first female is more grey with steelblue pattern, the pair light brown with steeblue pattern that doesn’t come through very clear. the females look lke twin sisters coming from different regions.
I’ll try to find the species as r candidianus is out of question if I’m not mistaken.
sizes are: females 5 cm, male 7 cm.
the male shows two yellow dots on the dosrsal fin base

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[Matt]

R. nagoyae formosanus?

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[Author]

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