Talk:Zebrafish

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Untitled[edit]

I think i just saw my zebra danio (male) eat a neon tetra. This could be its second, since I lost another a week ago, plus a small zebra danio has gone missing. Does anyone know if this is common behaviour for a zebra danio? If so I might need to kill it to save my other fish.¨

-> Zebrafish do commonly eat other fish who are dead or even dying, but I've never seen one attack a healthy fish. I think the temperature range stated in the article is wrong - zebrafish prefer a range of about 24-28C, as far as I know. 28 is about optimal; 18 is too low. —The preceding unsigned comment was added by 137.122.149.57 (talkcontribs) 12:16, 8 June 2006 (UTC-7)

This image claims these fish change color - has anyone observed that? Could information be added to the article? --70.112.222.14 19:39, 30 July 2006 (UTC)

Yes, they do (as do pretty much all fish), see chromatophore. I have added the image to the article. Rockpocket 07:59, 23 February 2007 (UTC)

My danio laid eggs.What shold I do?

Suggest move to "zebrafish"[edit]

I suggest moving this page to zebrafish. Currently zebrafish is a disambiguation page with only two links: red lionfish and this page.

  • The red lionfish only lives in Australia, and I believe it is known by several other common names.
  • D. rerio is a both a popular aquarium fish worldwide and an important model organism. Even in academia, D. rerio seems to be mainly referred to as "zebrafish" (going by my own observations as an Australian genetics student).

Therefore I think most wikipedia users who search for "zebrafish" would be wanting this page, so we should send them here directly. I've put a disambig note at the top of this page which directs to the red lionfish page. I've temporarily moved the zebrafish disambig page to "zebrafish 2", but I still can't move this page to "zebrafish" because the old disambig page still exists as a redirect. I'm looking for an administrator who can help by deleting both the "zebrafish" and the "zebrafish 2" pages. I can then move this page and fix all the links over the weekend. Adrian J. Hunter 15:48, 21 December 2006 (UTC)

Also WikiProject Fishes refers to Wikipedia:Naming conventions (fauna) for article names, which states that when a common name exists, it should be used for the article title. Adrian J. Hunter 06:22, 22 December 2006 (UTC)


I have never heard of a Zebra Danio eating another or any other spiecies of fish. But I know they nip alot, well it least mine have not showed any signs of eating onother besides for tail nipping.

for such a biologically important fish and fun aquaruim pet , i'd like to see some basic natural history[edit]

of the little bugger. what it eats, how long it lives. where it lays its eggs. mating behavior? interactions with other critters in its environment...Wikiskimmer 06:47, 4 July 2007 (UTC)

Naming[edit]

Can someone explain why the fish is sometimes referred to as Brachydanio rerio, and why sometimes just Danio rerio? Can you add this to the page? Thanks MrPMonday (talk) 02:16, 14 May 2008 (UTC)


Only Danio rerio is officially valid. Other syn. are Brachydanio rerio or Cyprinus rerio.

Reference - ITIS - Brachydanio rerio or ITIS - Cyprinus rerio or ITIS - Danio rerio

Sometimes a fish is hard to id as it is often examined many years later and is preserved in a jar and has lost its colour. So taxonomists can and do accidentally id 3 different fish as 3 different species. The Cyprinidae family is bit of a mess I'm told. Fish are always getting reclassified.

Why do people use these other names? Maybe because of an old book or someone not asking a taxonomist?

--Quatermass (talk) 13:25, 6 January 2009 (UTC)

I added the explanation for the use of Brachydanio vs. Danio in the Taxonomy section of this article. It's a convential switch that has been made since the 1993 Zebrafish Meeting at the Cold Spring Harbor Laboratory.

Tytybaby620 (talk) 18:39, 15 July 2012 (UTC)


Should a section "model organism for pathogenesis" be added? Taken from http://www.ncbi.nlm.nih.gov/pubmed/18248169 with slight modification:[edit]

The successful zebrafish developmental model has now expanded to being used as a model for the analysis of host–pathogen interactions during infectious disease. Numerous pathogens have been demonstrated to infect zebrafish and new mechanisms of virulence, as well as host defense have been uncovered using this new model. Successful infection of zebrafish has been demonstrated using a variety of pathogens including the zoonotic fish pathogens Mycobacterium marinum, Edwardsiella tarda, Salmonella arizonae, Vibrio anguillarum, and Streptococcus iniae. Furthermore, infection of zebrafish has been successfully demonstrated with pathogens that are not known to infect fish such as Salmonella typhimurium, Bacillus subtillis, Escherichia coli, multiple species of Listeria, Streptococcus agalactiae (M.N. Neely and D.R. Runft, unpublished data) and Streptococcus pyogenes. Snakehead rhabdovirus, a virus that infects warm-water fish, was also used for zebrafish infection to analyze upregulation of multiple host proteins involved in the immune response.[1] —Preceding unsigned comment added by ZebrafishPathogenesis (talkcontribs) 06:29, 9 June 2008 (UTC)

WT strains[edit]

can someone make my list of WT strains into columns or something? Im a little new at the formatting :)

Dmu13 (talk) 19:13, 1 May 2009 (UTC)

 Done Despite the warning at Help:Columns, this looks fine on my version of Internet Explorer (Version 7). Adrian J. Hunter(talkcontribs) 14:25, 3 May 2009 (UTC)

Zebrafish as a model organism[edit]

I think there should be an article on this species as a model organism. This page isn't the best place to go into much detail on this aspect, as it's likely to be quite technical and there's clearly heaps of information on the subject from a range of different fields of biology. I think a longer article on this topic with a shorter summary section here would be ideal. Richard001 (talk) 00:03, 15 October 2011 (UTC)

Whether in an article or here, it might to good to add situations where zebra fish (danio) don't work. I run into this a lot in my readings on paleontology and molecular genetics. Danio might be good for medical research, but for understanding vertebrate evolution it's a bad a chichlids. Zyxwv99 (talk) 23:59, 11 June 2015 (UTC)

Links to other languages not displaying correctly[edit]

As of 8:53 PM Feb. 4 2012, the links to the article in other languages are all red and appear at the bottom of the page instead of in the sidebar. Something is wrong!

65.110.254.148 (talk) 02:54, 5 February 2012 (UTC)

Optimal temperature[edit]

I am fairly certain that zebrafish prefer temperature cooler than 22–28 °C (72–82 °F), i.e. somewhere between 18 and 25 °C. Is there a source that confirms I'm wrong and the article is right? Surtsicna (talk) 23:13, 12 December 2012 (UTC)

Citation needed[edit]

A citation is necesarry for this sentence under the section headings In Medical Research, Cancer: "Zebrafish have been used to make several transgenic models of cancer, including melanoma, leukemia, pancreatic cancer and hepatocellular carcinoma."This is certainly not common knowledge. A citation, along with more information about how and why zebrafish are used to make these transgenic models should be added or the section should be deleted.

Curtis Bixenstine (talk) 03:18, 4 February 2014 (UTC)

Renaming Article?[edit]

I was wondering about renaming the article. Zebrafish can refer to at least three species of fish. In the aquarium hobby, they are more commonly known as zebra danios. And this is the only place that I have seen them refereed to as zebra fish. — Preceding unsigned comment added by GouramiGirl (talkcontribs) 04:28, 28 May 2014 (UTC)

External links modified[edit]

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  1. ^ Cite error: The named reference was invoked but never defined (see the help page).