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The article states "whale barnacles probably diverged [from turtle barnacles] in the Late Pliocene", while the source states "Although a derivation from the turtle barnacles (and especially from the genus Chelonibia) has been proposed, the evolutionary origin of Coronulidae remains to date obscure."
Yes, but the whole section is called "Description", and "Development" is not a description. So I think you need a paragraph describing the barnacles before you start talking about their life cycle and development which should be in a separate section.
Cwmhiraeth (
talk)
10:25, 26 January 2019 (UTC)reply
Being an arthropod, whale barnacles periodically molt to replace the old, corroded shell.* - Could you check this statement?
Yeah looks like I misread that. Barnacles molt but no one specifically says that whale barnacles molt, and it would be kind of impractical to do so on a moving host now that I think about it User:Dunkleosteus77 |
push to talk21:52, 25 January 2019 (UTC)reply
Actually I have looked this up in my Invertebrate Biology. The barnacle has a cuticle which exudes the calcareous plates. The plates are not shed but the cuticle is moulted periodically.
Cwmhiraeth (
talk)
10:25, 26 January 2019 (UTC)reply
Yeah I know but the big problem is most generalizations about barnacles come from shore barnacles so I'm not sure how much would apply. Shore barnacles tend to grow independent of their plates so their cuticle is shed if the adult form needs to expand inside the plates from what I understand. Should I just put that? What page is that from by the way, since you already have it I might as well use it? User:Dunkleosteus77 |
push to talk15:31, 26 January 2019 (UTC)reply
"C. diadema has been observed to slough off in areas with high whale traffic, such as migration routes and breeding areas." - I don't think this is quite what the source says.
"Barnacles, to capture food particles in the current, extend their cirri into a fan and then retract them back into the shell to transfer the particles into the mouth." - This sentence is too convoluted.
"During copulation, the male fully extends its cirri, and the penis begins a searching movement around its circumference. The pair then begin a series of intense cirral movements which was observed in Cryptolepas as lasting around 32 seconds" - This needs some expansion/rephrasing. Are the barnacles male and female or are they hermaphrodite?
That's all for the moment I will have another look tomorrow, and I have not yet considered whether the lead is an adequate summary of the rest of the article.
Cwmhiraeth (
talk)
19:46, 25 January 2019 (UTC)reply
Some of your responses I find unsatisfactory, but when I read the article again, I will do some light copy-editing to address anything I think important.
Cwmhiraeth (
talk)
10:25, 26 January 2019 (UTC)reply
If we take it that commensalism means that one partner benefits while the other is not appreciably harmed, then it seems odd to state that this is a commensal relationship and then list ways that the whale is adversely affected. It also seems odd to bring this up in the third sentence of the lead and take up so much room on the relationship in the lead. I think you should partially rewrite the lead so as to make it a better summary of what is stated in the main body of the text. At the moment it is a bit of a jumble of facts in no particular order.
Cwmhiraeth (
talk)
18:54, 27 January 2019 (UTC)reply
The intro says that whale barnacles can attach (rarely) to turtles. The text proper does not. The intro should not contain info that is not in the text. --
Ettrig (
talk)
15:02, 30 October 2020 (UTC)reply