Sharks with two dorsal fins are distinguished by their double dorsal fins, which is a unique characteristic not found in other shark species.
A shark with a long dorsal fin can be distinguished from other shark species by its distinctive feature of having a dorsal fin that is longer than usual. This unique characteristic sets it apart from other sharks and helps in identifying the specific species.
Sharks have straight dorsal fins, dolphins have curved dorsal fins and whales don't have dorsal fins :)
It makes no sense. Dolphins and sharks have dorsal fins.
The horn shark, a species of bull shark, has two dorsal fins, each bearing a large spine. These spines are not poisonous, and often get worn down on rocks and reef.
The lemon sharks move by using their tail fin and by using their dorsal fins!!!!!
The dorsal fin.
Sharks with two dorsal fins tend to be more agile and faster swimmers compared to those with only one dorsal fin. They are often found in open ocean habitats and are more likely to be active predators. Sharks with one dorsal fin may be more suited to slower, more methodical movements and are often found in shallower waters closer to shore.
Some sharks have a second dorsal fin, it's between the main dorsal fin in the middle of the back, and the tail. Not all fish have a second dorsal fin.
sharks, goldfish, cockroach spider rat mospuito and hampster. a dorsal nerve cord is your spinal cord
Some do, on the tail or dorsal fin.
20 m tall and 2mm wide
The dorsal fin of a dolphin is usefu,l because it can control the balance when a dolphin is swimming.It can also be useful for signs of dolphins and not sharks because the dorsal fin of a dolphin and a shark is slightly different.