With occasional sightings of common dolphin and minke whale. One of the main threats to the long-beaked common dolphin is fisheries. These are the harbour porpoise, bottlenose dolphin and common dolphin. Pods of common dolphin and bottlenose dolphins are quite common on the Sydney coastline. The most common dolphin in the state is the common bottlenose dolphin. There was a 12-fold decrease in common dolphin entanglement using a net with 40 pingers. The short-beaked common dolphin ("Delphinus delphis") is a species of common dolphin. The long-beaked common dolphin ("Delphinus capensis") is a species of common dolphin. It has a more restricted range than the short-beaked common dolphin ("D. delphis"). Similar to humans, the short-beaked common dolphin is viviparous. The short-beaked common dolphin is known to inhabit coastal waters. The long-beaked common dolphin can live up to 40 years. The common dolphin is the most abundant cetacean in the Southern California Bight. Common dolphin have a varied diet consisting of many species of fish and squid. The short-beaked common dolphin has a gestation period of 10 to 11 months.