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There have been varieties of goldfish developed that do not have a dorsal fin but in nature, I believe all fish have a dorsal fin. Of course there could be a species or two that have evolved without one but if so I am unaware of them.
Wiki User
∙ 14y ago
Wiki User
∙ 11y agono the common fishes do but the special and specific fishes don't.
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No. Hagfishes and lampreys don't have any paired fins. Nor do spiny eels.
Some others are:
Order Gymnotiformes: South American knifefishes.
Family Syngnathidae: Sea horses and some pipefishes
Flabby whalefishes
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Are pelvic fins supported by spines in a fish?
yes
What are the paired fins on a fish?
The ones in pairs are: pelvic fins and pectoral fins.
What happens when pelvic fins of fish cut off?
the fish looses its body balance
What are a fish's limbs?
The paired fins (pectoral and pelvic) are the nearest things fish have to limbs.
What are paired fins in fishes?
There are two sets of "paired" fins. The ones on each side of the fish behind the gills are the "Pectoral Fins" and the ones in front of the fishes vent on the underside of the fish are the "Ventral Fins". Sometimes these fins are wrongly refered to as "Pelvic Fins".
On a fish what can be anal pectoral or pelvic?
A fish has several different types of fins. There are the pectoral fins, located beneath the operculum (gills). There is the pelvic fin, located at the bottom of the fish, below the pectoral fin. There is the anal fin, which i located behind the anus, and there is the dorsal fin as well. It is located on top of the fish.
What is the paired fins on the underside of the fish?
They are on the Ventral side, but you probably mean the Pelvic fins and possibly anal fin, depending on the fish species These links provided below may help you :)
Why do Jewish people have fish with fins?
all fish have fins
What is an FIN?
An abdominal fin is one of a pair of posterior fins in fish - the pelvic fin and the ventral fin.
How many fins does a fish have?
2 fins
How many fins does a Bull shark have?
All 6. pectoral, pelvic, caudal, anal, 1st dorsal fin, and 2nd dorsal fin.
Do fish have jointed appendages?
The lobe-finned fish and lungfish have jointed appendages, while ray-finned fish have unjointed appendages (pelvic and pectoral fins).
