Sixgill Shark Jaw w/DATA

Sixgill shark jaw.

The Sixgill Shark, also known as the Bluntnose Sixgill Shark (Hexanchus griseus), is a large, deep-sea shark known for its distinctive feature of having six gill slits, unlike most other shark species which have five. This species is part of the cow shark family, Hexanchidae.

Key Characteristics of the Sixgill Shark:

1. Appearance: The Sixgill Shark has a bulky, powerful body, a broad head, and a blunt snout. Its skin is usually a dark brown or gray color, with a lighter underside.

2. Size: It is one of the largest predatory sharks, with adults typically reaching lengths of 4.8 to 6 meters (16 to 20 feet), though some individuals may grow larger.

3. Gill Slits: As its name suggests, the most unique feature of this shark is its six gill slits (most sharks have five), which are located on each side of its broad head.

4. Habitat: This species prefers deep water environments, often found at depths of 200 to 2,500 meters (650 to 8,200 feet). It is known to inhabit continental shelves and slopes.

5. Diet: The Sixgill Shark is an opportunistic feeder, preying on a variety of marine animals including fish, rays, other sharks, crustaceans, and carrion.

6. Behavior: Known for its slow-moving nature, it is a powerful and capable predator. This shark is rarely seen by humans due to its deep-sea habitat.

7. Reproduction: The Sixgill Shark is ovoviviparous, with females giving birth to live young. They have a long gestation period, and litters can contain up to 100 pups.

The Sixgill Shark, with its ancient lineage and unique features, is a fascinating example of deep-sea adaptation and survival. Its presence in the depths of the ocean serves as a reminder of the diverse and complex life that exists far beneath the ocean's surface.

Hexanchus griseus

6.75"x 5.75"

FEMALE
TL 45"
Collected on 06/17/01
NO INTERNATIONAL SHIPPING