Talk:Fish

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Fish has been listed as one of the Natural sciences good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it.

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April 1, 2007	Good article nominee	Listed
November 22, 2007	Peer review	Reviewed
April 17, 2008	Good article reassessment	Kept

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Archive 1

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Edit request from 77.97.154.137, 25 January 2011

{{edit semi-protected}}

I way of stabbing a cat in the ear In the middle of a mall in the clothes aisle 77.97.154.137 (talk) 18:27, 25 January 2011 (UTC) hannah moghul is the new type of fish[reply]

Not done: please provide reliable sources that support the change you want to be made. →♠Gƒoley↔Four♣← 22:21, 25 January 2011 (UTC) fish taste good with chips because they go together like cheese and chips[reply]

List of fishes by population

I was wondering which species were the most populous; a list, or an explanation that we don't know, would be interesting additions to the article. -- Beland (talk) 16:28, 25 February 2011 (UTC)[reply]

Time

The article says that fish appeared in the Ordovician. Isn't this inaccurate? What about Haikouichthys and Myllokunmingia? 70.80.215.121 (talk) 20:24, 6 June 2011 (UTC)Adam70.80.215.121 (talk) 20:24, 6 June 2011 (UTC)[reply]

How do you know if the fish is male or feamale

My brother won one gold fish at the fair last night and they gave us a free one

You are asking about sexing goldfish. It is hard to do and requires mature specimens, which you won't get unless they are reared in large tanks or under actual pond conditions. If you are worried about names, pick what you like, the fish won't care. If you are worried about breeding find some better on-line support group, there are plenty of enthusiasts. But guppies are much more fun if you want to breed in a small tank, and more colorful. μηδείς (talk) 05:26, 15 August 2011 (UTC)[reply]

Endotherms/Poikilotherms/Endotherms

The Fish article states "Most fish are "cold-blooded", or ectothermic", this seems to infer that some fish are Poikilotherms or possibly Endotherms. Does anyone know which fish are Poikilotherms/Endotherms? Best Regards. DynamoDegsy (talk) 11:52, 15 August 2011 (UTC)[reply]

Tuna in general but blue fin tuna in particular thermoregulate. The white shark is also reputed to thermoregulate.--Davefoc (talk) 08:40, 23 September 2011 (UTC)[reply]

I was actually joining talk just because of this issue. I knwo it cites tuna and sharks, but think the general consensus now is that fish are endothermic. Although their body temperatures are highly influences by their environment, it seems that all fish produce body heat. Larger fish would obviously have a greater temperature delta due to differences in mass to surface area of the fish, but I think the current endothermic theory applies to most species these days. I don't have references, sorry. — Preceding unsigned comment added by 198.203.175.175 (talk) 19:57, 20 February 2013 (UTC)[reply]

fish or fishes

Is there a scientific/ichthyological difference between "fish" as in "ray-finned fish" and "fishes" as in "lobe-finned fishes"? --Richardson mcphillips (talk) 19:34, 21 September 2011 (UTC)[reply]

Not sure if there is a scientific difference, but they can both be plural which is a little confusing. Fishes also means the act of fishing. I think Fish is the appropriate title tho (i'm assuming that is where you were going with this comment)Meatsgains (talk) 18:53, 27 October 2011 (UTC)[reply]

See fish or fishes --Epipelagic (talk) 22:20, 27 October 2011 (UTC)[reply]

Incorrect note

Note 32 has the incorrect website. The website is http://www.coloradotu.org/do-fish-feel-pain/ Not http://www.coloradotu.org/do-fish-feel-pain.htm Can someone correct the problem? Neosiber (talk) 23:33, 31 May 2012 (UTC)[reply]

Fixed. Thanks :) --Epipelagic (talk) 03:43, 1 June 2012 (UTC)[reply]

Skeleton evolution

This article and the "prehistoric fish" article both neglect to discuss the evolution of the internal skeleton of fish. Is this something that an editor here can add to this article? Not my area. -Fjozk (talk) 06:56, 1 November 2012 (UTC)[reply]

Number of species in regards to salinity

Approximately 41% of all species of (present day) fish are freshwater fish. However, I'm having a hard time finding valid data regarding % of species living in sea- and brackish waters. Any good source about this would be welcome. –Tommy Kronkvist (talk), 21:14, 25 February 2013 (UTC).[reply]