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The opposite of it's dorsal. The Dorsal is the back, Ventral is the Front. Hence the dorsal fin on ocean-based organisms
Caudal fin, Dorsal fin, Pectoral fin, Ventral fin, and the fin.
the ventral side. the dorsal side is the back of the rat ( think of the dorsal fin on a wale is on its back )
Dorsal is the back. Just think of a dolphin's dorsal fin and you'll never get ventral and dorsal mixed up again.
a fish with a high, sail-like dorsal fin
The 'dorsal-fin' extends upward from the back of organisms; so anything Ventral must reside near to an organism's front-side.
The difference is that sailfishes have a long, sail-like dorsal fin which stretches through the whole back while swordfishes have just a tiny shark-shaped dorsal fin.
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
The fin on the back of an orca is called the dorsal fin.
The "DORSAL" fin is the fin fish have on the top of their back. It is often shaped a bit like a triangle or sail.
The dorsal fin is the fin on the back of a fish, for example the typical triangular fin on the back of a shark is its dorsal fin.
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