List of species I've seen

SPINY-TAILED MONITOR
full

Photo by @KevinB. Zoo Antwerpen, Belgium

SPLENDID GARDEN EEL
full

Photo by @JamesB. Cologne zoo, Germany

SPLITFIN FLASHLIGHTFISH
full

Photo by @Kakapo. Artis royal zoo, Netherlands

SPOTTED EAGLE OWL
full

Photo by @Strix. Beale park, UK

SPOTTED HATCHETFISH
full

Photo by @vogelcommando. Aqua Zoo Leerdam, Netherlands

SPOTTED POND TURTLE
full

Photo by @gentle lemur. ZSL London zoo, UK
 
VEILED CHAMELEON
full

Photo by @Zooish. Singapore zoo, Singapore

VIOLET-WINGED GRASSHOPPER
full

Photo by @Maguari. Zoo Frankfurt, Germany

VON DER DECKEN'S HORNBILL
full

Photo by @Antoine. Bioparc zoo de Doué la Fontaine, France
 
WESTERN GREEN MAMBA
full

Photo by RatioTile. Dallas zoo, USA

WESTERN HONEY BEE
full

Photo by @Maguari. ZSL London zoo, UK

WHITE-BELLIED CAIQUE
full

Photo by @Parrotsandrew. Paradise park, UK

WHITE-BLOTCHED RIVER STINGRAY
full

Photo by @gulogulogulo. Berlin zoo aquarium, Germany

WHITE-CHEEKED GIBBON
full

Photo by @WhistlingKite24. Wildlife HQ zoo, Australia

WHITE-FACED CAPUCHIN
full

Photo by @Therabu. La Vallee des Singes, France
 
I would be very surprised if Echeneis neucratoides would be present in a collection in Europe, much more in a so nearby zoo (to me) as the Madrid zoo. I always assumed that nearly all sharksuckers in captivity in the world were Echeneis naucrates and only maybe a dozen or so places in the world would have any other species of the family. I may be wrong. The difference between both species, anyway, it's in the shape of the sucker and number of lamellae in it, as I discussed earlier in this image, also yours: Echeneis sp ID? - ZooChat and as the sucker is not visible in the image posted in this thread, I suppose it would be difficult to assume an ID as the rarer one.
 
I would be very surprised if Echeneis neucratoides would be present in a collection in Europe, much more in a so nearby zoo (to me) as the Madrid zoo. I always assumed that nearly all sharksuckers in captivity in the world were Echeneis naucrates and only maybe a dozen or so places in the world would have any other species of the family. I may be wrong. The difference between both species, anyway, it's in the shape of the sucker and number of lamellae in it, as I discussed earlier in this image, also yours: Echeneis sp ID? - ZooChat and as the sucker is not visible in the image posted in this thread, I suppose it would be difficult to assume an ID as the rarer one.

I believe Thylo's point is Whitefin Sharksucker is the commonly accepted name for E. neucratoides - hence you labeling the photo as such comes as a surprise. I note ZTL lists E. naucrates as Whitefin Sharksucker which is what you seem to be following, and I assume that's the root of the confusion here. A name change for that species on ZTL might be beneficial as the given common one is more regularly applied to a different species altogether.
(Though that said, it's far from the first time in this thread that the ZTL name has had me confused...)
 
Great Argus: Thanks for explaining, I misunderstood the Thylo's point. But then, whitefin sharksucker is a common name used widely for E. naucrates, appearing even in Zootierliste. So I don't see the problem here. For obvious reasons I would not list the tons of different common names applied to each species. I use here just the one that I used in the document I have about species seen in captivity - so they're here since many years ago and it's the name that, when I elaborated the document, I found more logic to use for each species.

RatioTile: The reasons for not including them are already explained in this thread. But if you have a doubt about a species posted here, you always can ask for it. Only species that lack any logic common name (and being zoo species they're very few in propotion, otherwise they would be not enough well known species for being in captivity) will be the ones using it in the thread.
 
But then, whitefin sharksucker is a common name used widely for E. naucrates, appearing even in Zootierliste. So I don't see the problem here.

For what it may be worth, searching "Whitefin Sharksucker" on google only got me E. neucratoides in the first couple pages bar one link about E. naucrates - which I'm not sure why on that one link as it didn't even list Whitefin Sharksucker as a synonym common name or mention other remora species. I think quite arguably the name used on ZTL is misleading, I have yet to see anywhere that Whitefin Sharksucker is used for E. naucrates online or in the literature I have other than ZTL.
 
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