Talk:Humpbacked limia

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A fact from Humpbacked limia appeared on Wikipedia's Main Page in the Did you know column on 20 October 2023 (check views). The text of the entry was as follows:

Did you know... that being critically endangered does not prevent the humpbacked limia from eating its own young?

A record of the entry may be seen at Wikipedia:Recent additions/2023/October. The nomination discussion and review may be seen at Template:Did you know nominations/Humpbacked limia.

Wikipedia

Did you know nomination

The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.

The result was: promoted by Lightburst talk 18:20, 13 October 2023 (UTC)[reply]

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Article history

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Males sparring

~~... that though analyses of their guts point to an exclusively vegetarian diet, humpbacked limias have been known to eat their young?~~ Source:
"Limia nigrofasciata had the largest relative gut length of the eight species (Figure 6), and it fed only on detritus and algae without animal food items" [1] "Adults cannibalistic on the young."[2]
- ALT1: ... that being critically endangered does not prevent the humpbacked limia (pictured) from eating its own young?
- ALT1a: ... that being critically endangered does not prevent humpbacked limia (pictured) from eating their own young?
- Reviewed: Template:Did you know nominations/Walid Hamdiya

5x expanded by Surtsicna (talk). Self-nominated at 18:33, 27 September 2023 (UTC). Post-promotion hook changes for this nom will be logged at Template talk:Did you know nominations/Humpbacked limia; consider watching this nomination, if it is successful, until the hook appears on the Main Page.[reply]

I shall review this. Note that I've removed the wikilink to critically endangered from ALT1. There is a tendency to avoid links to items other than the target article if possible. Schwede 66 04:08, 30 September 2023 (UTC)[reply]
Newly expanded to sufficient length. Neutral. Well-referenced. QPQ done. Earwig is clean. ALT0 doesn't make sense to me and I've struck it; clearly, the species isn't vegetarian if it feeds on its young. ALT1 is cited (via two separate sources) and is actually quite a good hook. I've suggested ALT1a where the grammar is slightly different, but both will work. There might be one issue with the article: that the adults feed on their young is listed under the heading "Importance to humans". This points to the Franz et al source where holding the species in aquaria is discussed. Later on, it says that "Adults cannibalistic on the young" but I'm less than convinced that the authors are still talking about the species being held in aquaria at this point. If I'm right, this info should presumably go under "Ecology" or maybe under "Reproduction". If you aren't sure, maybe try to hunt down the 1974 Sorensen source. The image is a fine and with a suitable license. I would recommend this for lead hook consideration. That said, it could also be considered for the quirky spot. However, with regards to the suggested caption, I'm not sure how we'd know that we are looking at sparring males? It doesn't say so in the description on Flickr. Hence, there's really just a couple of minor things to clear up before this is good to go. Schwede 66 04:41, 30 September 2023 (UTC)[reply]

It is a bit complicated indeed, Schwede66. An extensive (cited) study of dietary habits of Limia species has shown wild L. nigrofasciata to be exclusively herbivorous/detrivorous ("fed only on detritus and algae without animal food items"). In captivity they take animal food items too and sometimes eat their fry as well. This is a known phenomenon with captive livebearers, and is speculated to be the result of improper diet or stress induced by overstocking. That said, I do believe the cannibalism in the cited source refers to aquarium-kept fish, not only because it is under a heading indicating so but also because the authors (who originally wrote for the Tropical Fish Hobbyist) almost certainly did not dissect wild-caught fish. Surtsicna (talk) 16:04, 30 September 2023 (UTC)[reply]
Oh, regarding the caption: we know that the boys in the photo are sparring because that is what they look like when they spar and because the author confirmed it when I begged for the photo :D Surtsicna (talk) 18:02, 30 September 2023 (UTC)[reply]

Good to go. I prefer not to use the original hook as it would end up at Errors. Thanks for the explanations. Schwede 66 18:32, 30 September 2023 (UTC)[reply]

Took me a while but I found it prey upon the fry. I Had to look up "fry". Lightburst (talk) 18:19, 13 October 2023 (UTC)[reply]