Talk:Porbeagle

"Denominations"
Before I delete it out of hand, what purpose does the section giving the shark's name in a zillion other languages? Additionally, I can't help but notice that a number of them seem to be completely fictitious. The Spanish list, for example, includes such charming entries as Taulò, Marrajo, Marraco, Marraquet, Marraix, Ludia, and Caldeon. Now, as any schoolchild can tell you, Spanish doesn't use accents grave, nor does it have an especially large number of words ending with either "t" or "x" ... "Caldeon" looks a bit more plausible, but in light of the appearance of the accent grave in "Taulò", it looks me suspicious, because if such care was taken to make ò, I'm at a loss to figure out why it says "Caldeon" instead of "Caldeón"...  The list of French names contains a number of similarly suspicious names. ... ? Tom e rtalk  23:51, 3 September 2006 (UTC)
 * I have deleted it out of hand - these lists are mostly redundant to the other wikipedia links or are OR magnets. The oceanic whitetip shark had a similar list which turned out to be mostly fiction. I suspect some of the Spanish names are actually names in other languages used in Spain (Catalan,Basque,Gallego), but since they are unsourced and this is English Wikipedia I've struck them all. Yomangani talk 00:07, 4 September 2006 (UTC)

Anagram
It's an anagram of "Bargepole". Somehow I'd like to sneak this in to the article, unfortunately there's no WP entry for "bargepole".

Best wishes SimonTrew (talk) 13:21, 5 May 2009 (UTC)

This anagram is noted in Wiktionary, which is the better place for anagrams, IMHO. ChrisJBenson (talk) 22:32, 22 November 2009 (UTC)

Etymology
I am "pretty sure" that the etymology of porbeagle is directly from the Cornish language (NOT a Cornish dialect of English). "por" means "fish", and "beagle (bug[h]el)" means shepherd, so it is literally "fish shepherd" in Cornish. ChrisJBenson (talk) 07:43, 22 November 2009 (UTC)

Sorry, but por does *not* mean fish in Cornish. The Cornish word for fish was pysk which was pronounced pesk in later stages of the language. Por may be derived from porth (pronounced without the -th in Late Cornish) meaning "harbour". C.f. any Cornish dictionary for that, e.g. Ken George's Gerlyver Meur (2009) or Nicholas Williams' Gerlyver Sawsnek-Kernowek (2000). pokorny 17:25, 10 April 2011 (CET) —Preceding unsigned comment added by 86.33.55.61 (talk)

The text states that none of the Cornish elements of the name are "fully satisfactory". What does that actually mean? The term 'harbour shepherd' seems 'satisfactory' to my understanding of how the shark may have been seen by fishermen. P:lease could you explain the usage of 'satisfactory' here and how it is judged. — Preceding unsigned comment added by 46.208.196.107 (talk) 06:34, 11 February 2012 (UTC)

Photos
What a grim set of photos - not a single live, free animal. Instread of dead, hooked or dissected porbeagles, can we please have some of live animals enjoying their natural habitat. 86.147.162.38 (talk) 12:43, 16 February 2010 (UTC)

IUCN criteria
Is there a way to show the IUCN classification of each subpopulation in the taxo box? It seems to be relevant that some sub-populations are critically endangered. Hectorguinness (talk) 18:43, 25 March 2010 (UTC)

One of the best articles on wikipedia?
This should be one of the best articles on wikipedia and this article doesn't even contain a picture of the animal it describes in its natural habitat, thats really poor.. --David-bel (talk) 20:54, 8 November 2010 (UTC)


 * If you can find one under a suitable free license, by all means contribute it. -- Yzx (talk) 21:17, 8 November 2010 (UTC)

Size?
This is a very comprehensive wiki entry, but there's still room for improvements.

The article states – ” Newborn porbeagles measure 58–67 cm (23–26 in) long and do not exceed 5 kg (11 lb)”, and the reference is a study of the smaller South Pacific porbeagle. The porbeagle in the North Atlantic is definitely bigger than five kilos at birth. For example, the old record porbeagle had near-term embryos, and according to http://www.glaucus.org.uk/Porbeagle-RL.htm “Des Bougourd's shark contained four near-term embryos weighing 16 1/2 lbs, 15 1/4 lbs, 14 3/4 lbs and 14 1/4 lbs - weighing collectively 60 3/4 lbs”

The maximum “record” weight stated is only the record for sports fishing, not the biggest porbeagle over all. There are at least two 600lbs porbeagles caught in recent times. One had a weight of 278 kg, and was mentioned in the study “Analysis of stomach contents of the porbeagle shark (Lamna nasus Bonnaterre) in the northwest Atlantic”, which is already used as a source here (number 22). I don't know what the biggest porbeagle is, but the max size is at least 600 pounds. — Preceding unsigned comment added by 87.53.55.22 (talk) 06:33, 13 June 2011 (UTC)

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orbital retia mirabilia assertion is at odds with thermodynamics and not supported by reference.
The claim that the orbital retia mirabilia warm the eyes and brain by 3.6 degrees is not what the reference says and is not consistent with how a heat exchanger works thermodynamically. The reference notes that the eyes and brain of sharks without retia mirabilia have eye temperatures within 0.1 of surrounding while those with have temps up to 3.6 degrees above surrounding. However, the orbital retia mirabilia would serve to conserve heat, reducing heat transfer to the eyes leading to eye temps close to the surrounding that without. retia mirabilia more generally do conserve core temp and allow a heat source by with eyes and brain can receive heat, but it is that core temp and the retia mirabilia on whole and not the specific orbital retia mirabilia that cause the warmer eyes and brain. — Preceding unsigned comment added by 2600:100D:B11E:CACD:7C53:AEBF:6856:2B74 (talk) 06:50, 13 January 2018 (UTC)