answersLogoWhite

0

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.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

How many pelvic fins are in a perch fish?

A perch fish has one pair of pelvic fins, totaling two pelvic fins. These fins are located on the underside of the fish, behind the pectoral fins. Pelvic fins play a role in stabilizing the fish as it swims.


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 are a fish's limbs?

The paired fins (pectoral and pelvic) are the nearest things fish have to limbs.


What happens when pelvic fins of fish cut off?

the fish looses its body balance


How many fins does rohu fish has?

The rohu fish typically has one dorsal fin, one caudal fin, two pelvic fins, and two pectoral fins, totaling six fins.


What are the flaps on a fish called?

The flaps on a fish are called fins, which help the fish to maintain balance, steer, and move through water. There are different types of fins on a fish, such as dorsal fins, pectoral fins, pelvic fins, anal fins, and caudal fins.


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".


Does the fish tapilia have fins and scales?

Yes, the tilapia fish has both fins and scales. Like most bony fish, tilapia possesses paired fins (pectoral and pelvic) as well as unpaired fins (dorsal and anal fins). Additionally, it is covered with scales, which are typical characteristics of many fish species.


How does the tripod fish use its pelvic fins and caudal fins?

The tripod fish uses its pelvic fins to elevate itself off the sea floor, allowing it to remain stationary while searching for prey in the water column. Its elongated pelvic fins act like legs, providing stability and support as it hovers. The caudal fins, or tail fins, are used for propulsion, enabling quick movements when necessary, such as fleeing from predators or chasing down prey. Together, these fins facilitate its unique feeding strategy in deep-sea environments.


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.


Why do Jewish people have fish with fins?

all fish have fins