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It usually means the fish is sickening for something. It should be taken as a signal by the fishes owner to do a few major water changes ASAP.

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Q: What does it mean when a fish lays the dorsal fin back?
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What does Dorsal mean.?

Dorsal means pertaining to the rear or posterior surface. Pertaining to the back. Dorsal mean on or toward the back … as the Dorsal Fin of a fish runs down the center of its back.


What does the term dorsal mean?

dorsal, in anatomy at least, means towards the back side of the body. the reason why fish have a dorsal fin is because its on their back, like a shark fin.


What is a dorsal mean?

Dorsal means being at the back.


What is dorsal mean?

Dorsal means being at the back.


What is a synonym for dorsal?

Rear, behind, back, or hind. Those words mean dorsal.


What does dorsal mean in anatomical terminology?

It refers to the back


What animal on land has a dorsal?

Alot because dorsal means like " the back" or something, but if you mean a dorsal fin, then none, no land animals.


What is the medical term meaning back of the body?

Dorsal or posterior mean back of the body.


What is the name of the top fin on a fish?

It's the ventral fin and My best Guess to it's purpose is that it helps stablize the forward movement in the fish, bit like the skegs on kayaks. possibly gives some direction control, like a rudder, and streamlining as well


What does the Ventral and dorsal fins mean?

a dorsal fin is the one (or more) located on the back of a fish or aquatic mammal - its the fin that you see when a shark is swimming just under the surface of the water. Ventral fins are the ones toward the rear of the body and help in steering the animal through the water


When a fly lands on your back then falls off and lays there what does that mean?

You have a really bad back!!


What does Sagittal mean in Medical terminology?

Sagittal means in the direction from dorsal to ventral (from back to front).