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Botrylloides leachii
(Savigny, 1816)
Paula Lightfoot More flatworms - these look different to the ones below - and just to upset David Kipling they are murdering sea squirts!!! These are from Skinningrove North Yorks. I was thinking the squirt is Botrylloides leachii rather than Bot schloss is that right?David Kipling * sob *
Penny Martin These look like the ones I see here in Orkney .. also on Bot Leachii ... some have been blue
Paula Lightfoot That does look the same Penny - I would like to see a photo of a blue one!
Penny Martin Is it the same species ??
Message posted on Seasearch Identifications on 08 Oct 2013
Paula Lightfoot Is this Botrylloides leachii?David Kipling Hayward and Ryland key-out the difference as follows: Zooids arranged in small, star-shaped clusters=Botryllus schlosseri Zooids arranged in sinuous parallel lines=Botrylloides leachii
David Kipling But since Bot schloss can readily have 12 zooids per star that doesn't help here ;( Would be nice to know if there are other differential features.
Paula Lightfoot I thought it was B leachii because the zooids are definitely in lines, but I don't want to get it wrong as I'm putting the photo on the Meet the Species website!
George Brown Looks like B. leachii to me but far from certain. The problem with small/juvenile species is that they've not had time to develop properly and so can look subtly different to larger/mature examples. As has been demonstrated many times in these groups we sometimes ask too much from a single photo.
Message posted on NE Atlantic Tunicata on 24 Aug 2012
David Kipling Eh? Take in a few metres of water on chalk reef, north Norfolk. I'm not sure I want to even guess phylum ...David Kipling Bernard ... Wilfried ... do you think this is a weird squirt? [such as at some unusual point in its life cycle]
Bernard Picton My best guess would be Botrylloides leachii from the arrangement of the zooids. Are the siphons all sealed over?
Wilfried Bay-Nouailhat What an enigma for the end of the holidays! Nothing better to propose. Sea squirts are like fruits, when they are overripe, they are no longer identifiable ! ;o)
Message posted on Seasearch Identifications on 21 Aug 2012
Paula Lightfoot Is this Botrylloides leachii?David Kipling Hayward and Ryland key-out the difference as follows: Zooids arranged in small, star-shaped clusters=Botryllus schlosseri Zooids arranged in sinuous parallel lines=Botrylloides leachii
David Kipling But since Bot schloss can readily have 12 zooids per star that doesn't help here ;( Would be nice to know if there are other differential features.
Paula Lightfoot I thought it was B leachii because the zooids are definitely in lines, but I don't want to get it wrong as I'm putting the photo on the Meet the Species website!
George Brown Looks like B. leachii to me but far from certain. The problem with small/juvenile species is that they've not had time to develop properly and so can look subtly different to larger/mature examples. As has been demonstrated many times in these groups we sometimes ask too much from a single photo.
Message posted on NE Atlantic Tunicata on 24 Aug 2012