Cephalorrhynchus

Cephalorrhynchus is a genus of small dolphins that are found in the southern hemisphere. The genus is composed of four species, all of which are characterized by their small size, blunt beaks, and dark coloration.

Species

The four species of the Cephalorrhynchus genus are:

• Cephalorrhynchus commersonii (Commerson's Dolphin)
• Cephalorrhynchus eutropia (Chilean Dolphin)
• Cephalorrhynchus heavisidii (Heaviside's Dolphin)
• Cephalorrhynchus hectori (Hector's Dolphin)

Characteristics

Cephalorrhynchus dolphins are small, with adults ranging in length from 1.2 to 1.7 meters. They have a distinctive blunt beak and a rounded dorsal fin. Their coloration is generally dark, with some species exhibiting unique white or grey patterns.

Habitat and Distribution

These dolphins are found in the coastal waters of the southern hemisphere. Each species has a specific range, with some, like the Hector's Dolphin, being endemic to specific regions such as New Zealand.

Behavior and Diet

Cephalorrhynchus dolphins are known for their playful behavior and are often seen riding the bow wave created by boats. They feed on a diet of fish and squid, and have been observed working together in groups to herd their prey.

Conservation Status

The conservation status of Cephalorrhynchus dolphins varies by species. The Hector's Dolphin is considered endangered, with a population of less than 10,000 individuals. The other species are listed as data deficient, meaning there is not enough information to assess their conservation status.

See Also

• List of Cetaceans
• Marine Conservation

References

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