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	do fish blink?
devon7 Big Fish Posts: 475 Kudos: 356 Votes: 4 Registered: 31-Aug-2004	for some reason i didnt think fish blink... no clue why I guess I just assumed it... but now I have definitely seen some of my fish blink, haha, I swear a cory winked at me once! so did anyone else not know fish blink? am I just slow? or hallucinating?
Posted 26-Jan-2006 11:52
sirbooks Moderator Sociopath Posts: 3875 Kudos: 5164 Votes: 932 Registered: 26-Jul-2004	Nope, fish don't blink. Actually, they can't, because they don't have eyelids. What you're seeing from your cories is them moving their eyes downwards, I see mine do that too. I don't really know what the significance of that is, though. And when he gets to Heaven, to Saint Peter he will tell: "One more Marine reporting, Sir! I've served my time in Hell."
Posted 26-Jan-2006 11:52
superlion Mega Fish Posts: 1246 Kudos: 673 Votes: 339 Registered: 27-Sep-2003	There are some fish that have eyelids! (but not cories) Not like what you might think about, but layers of fat tissue that they use as eyelids. Appropriately named the 'adipose eyelid'. Some members of the Order Osteoglossidae (like the Mooneye) and most herrings have adipose eyelids. ><>
Posted 26-Jan-2006 11:52
devon7 Big Fish Posts: 475 Kudos: 356 Votes: 4 Registered: 31-Aug-2004	haha thats so weird, yeah i think its only corys that i have seen "blink" so that explains it... i'm glad i have eyelids i have enough A.D.D. without having my eyes always open
Posted 26-Jan-2006 11:52
victimizati0n Banned Posts: 1217 Kudos: 1105 Votes: 31 Registered: 29-Apr-2004	As far as im aware of, catfish are the only fish that can "dip" their eye, which is kinda like their way of blinking.
Posted 26-Jan-2006 11:52
Shinigami Ichthyophile Catfish/Oddball Fan Posts: 9962 Kudos: 2915 Registered: 22-Feb-2001	It's not all catfish either. I've only seen Callichthyids and Loricariids do it; this makes sense, as these two familes are related. BTW, there is another kind of layer over the eye found in some fish, called a nicitating membrane, which helps protect the eyes. For example, when a Great White Shark is attacking, they actually close their eyes so they don't hurt them with whatever they're attacking! Crocodilians have these membranes too, I believe. -------------------------------------------- The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian.
Posted 26-Jan-2006 11:52
superlion Mega Fish Posts: 1246 Kudos: 673 Votes: 339 Registered: 27-Sep-2003	Even cats and dogs have nicitating membranes. They're often called a "third eyelid". If yuo have a cat or dog pry its eye open while it's sleeping and you can see what it looks like. ><>
Posted 26-Jan-2006 11:52
NvForGet Fingerling Posts: 48 Kudos: 35 Votes: 3 Registered: 27-Aug-2004	i seen only my pleco blink before and quite often too. Other fish like what people have say , they dun have eyelid and therefore can't close their eyes, this explain why it leave alot of people not in this hobby in doubt of whether fish will went to sleep.
Posted 26-Jan-2006 11:52
Oleta Ultimate Fish Guru You can\'t rollerskate in a buffalo herd Posts: 3397 Kudos: 2260 Votes: 186 Registered: 16-Aug-2001	LOL, my old Queen Arabesque used to "blink" all the time.. The first time was when it was in the bag coming home from the shop.. It certainly threw me for a loop Last edited by Oleta at 23-Oct-2004 18:31
Posted 26-Jan-2006 11:52
SnogardOne Small Fry Posts: 11 Votes: 1 Registered: 24-Jul-2004	My common plecos roll their eyes back, but I dont know if that is considered blinking. Real ocean going sharks also roll their eyes back just befor an attack, which is for protection from struggling prey rather that cleaning.
Posted 26-Jan-2006 11:52
ClownyGirl Fish Addict Posts: 508 Kudos: 311 Votes: 5 Registered: 07-Oct-2004	I have seen my plecos blink and it looks suspiciously like the fellows have eyelids.
Posted 26-Jan-2006 11:52


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