2007-02-08 22:51:57 · 25 answers · asked by reggie 2 in Pets ➔ Fish
Don't think so. They keep forgetting they feel tired!
2007-02-08 22:59:24 · answer #1 · answered by Keira H 3 · 1⤊ 0⤋
All fish spend time in an energy-saving state that can be called "rest", and we might even call their behavior "sleep", though it is probably different than "sleep" in most land animals. Many fish, like Bass and perch, rest on or under logs at night. Coral reef fish active in the day, hide and rest in crevices and cracks in the reef to avoid being eaten at night. The resting behavior of fish is very different from their behavior the rest of the day. Many minnows, for example, which are very active in schools during the day, scatter and remain motionless in shallow water at night. Many fish "rest" or "sleep" during the day and are active at night instead, but almost all fish sleep. There are some animals that never stop swimming, like many species of shark, however, they HAVE to keep moving to push water through their mouths in order to breathe, and they may still sleep while moving. Some fish, like sharks have the ability to shut down one side or another of their bodies.
For more info:
http://www.national-aquarium.co.uk/databases/FAQsLibrary/index.asp?FAQCategoryID=&FAQID=841&SearchText=
2007-02-09 08:41:19 · answer #2 · answered by danielle Z 7 · 1⤊ 0⤋
Fish do not have eyelids therefore although they do sleep it is not easy to tell. In aquariums fish can be observed sleeping when they are staying at the one spot with minimal fin movements and slowed gilll movements - the equivalent of humans taking a nap.
2007-02-09 06:56:06 · answer #3 · answered by phronima 1 · 2⤊ 0⤋
In many books says that is hard to know that fish sleep because when go to the bottom of the aquarium they rest but not sleep.
2007-02-09 08:03:06 · answer #4 · answered by Sharky 2 · 0⤊ 1⤋
Yes fish do sleep. They usually sleep near the bottom of the tank and their tail and fins go floppy. Carol
2007-02-09 09:14:41 · answer #5 · answered by Anonymous · 0⤊ 0⤋
yes fish do sleep. They float still and dont do much but has its eyes open to protected themself. For example if they where in the sea, which they were, and a crocodile came to eat them they would know, so it might not look like they are sleeping sometimes but they are.
* They learn how to sleep with there eyes open but they are asleep. it is amazing that they can do that lol
2007-02-09 07:49:16 · answer #6 · answered by $..●»ємιℓу«●..$ 2 · 0⤊ 1⤋
Most all fish spend time in an energy-saving state that can be called
"rest", and we might even call their behavior "sleep", though it is probably
different than "sleep" in most land
animals.
2007-02-09 10:43:07 · answer #7 · answered by Anonymous · 0⤊ 0⤋
yes
2007-02-09 08:55:53 · answer #8 · answered by Anonymous · 0⤊ 0⤋
yes, fish do sleep
2007-02-09 07:03:35 · answer #9 · answered by Sachu 2 · 0⤊ 0⤋
Yes, they do. Fish sleep with their eyes open because they do not have eyelashes. ( so they cannot close their eyes )
2007-02-09 06:57:51 · answer #10 · answered by snowybunny 1 · 1⤊ 0⤋
Yes.They can't close their eyes as they have no eyelids so they swim in 1 spot with little fin or gill movement.
2007-02-09 17:41:29 · answer #11 · answered by Anonymous · 0⤊ 0⤋