Hooded Seal
Mammals Active day and night

Hooded Seal

Cystophora cristata

A champion of the deep North Atlantic, the Hooded Seal is famous for the male's bizarre, inflatable red nasal display and the world's shortest childhood. These solitary wanderers navigate the shifting pack ice, spending their lives between the freezing surface and the dark depths of the ocean.

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Quick Identification

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Size

Males average 2.5–2.7 m (8.2–8.9 ft) and 400 kg (880 lbs); females are smaller at 2–2.2 m (6.6–7.2 ft) and 300 kg (660 lbs).

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Colors

Silver-grey coat with irregular black blotches; pups (blue-backs) are slate blue on the back with creamy white bellies.

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Key Features

  • Inflatable black nasal 'hood' in males
  • Bright red nasal septum balloon displayed by males
  • Large, robust body with silver-grey spotted coat
  • Pups have distinct blue-grey fur known as 'blue-back'
  • Short, wide muzzle and large dark eyes
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When You’ll See Them

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Activity pattern Active day and night
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Peak hours Highly variable; foraging occurs throughout the 24-hour cycle based on prey movement.
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Season March (breeding season) and June-July (molting season) are peak sighting times on ice floes.
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Diet Carnivorous; they primarily hunt deep-sea fish like Greenland halibut, redfish, and cod, as well as squid and various crustaceans.
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Habitat Deep oceanic waters and shifting pack ice (heavy ice floes) in the North Atlantic and Arctic.

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Where Does the Hooded Seal Live?

Native to the North Atlantic and Arctic Oceans, the Hooded Seal's world revolves around the shifting pack ice stretching from the Svalbard archipelago in the east to the Gulf of St. Lawrence in the west. These seals are most concentrated in four major breeding areas: the Davis Strait, the 'Front' off the coast of Newfoundland, the Gulf of St. Lawrence, and the 'West Ice' near Jan Mayen island. While they are true wanderers of the high seas, individuals are occasionally spotted as far south as the Canary Islands or even the Caribbean, showcasing their nomadic potential.

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6 Countries
12.5M km² Range
Vulnerable Conservation
CA Canada Greenland NO Norway Iceland US United States Russia
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Behavior

Hooded Seals are among the most solitary and aggressive of the phocid species. Unlike many other seals that congregate in large colonies, these animals prefer to remain alone or in small, temporary groups during the breeding and molting seasons. They are remarkably deep divers, capable of reaching depths of over 1,000 meters and staying submerged for nearly an hour, though most dives are shorter and shallower in search of prey.

Perhaps their most famous behavior is the male's visual display. To defend territory or attract mates, males inflate a black 'hood' or bladder on their forehead. If further intimidation is needed, they can blow a bright red, balloon-like membrane out of one nostril. This species also holds the record for the shortest weaning period of any mammal; pups are nursed for only four days, during which they double their weight before being left to fend for themselves on the ice.

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Camera Tips

Capturing a Hooded Seal on camera requires specialized placement because they are rarely found on land. If you live in a coastal region where they haul out—such as parts of Newfoundland or Norway—place your camera on high-profile rocky outcrops or near the edge of stable ice floes. Because these seals are aggressive and possess a powerful bite, use a rugged, weatherproof housing and ensure the camera is securely mounted to resist curious investigation or accidental bumping by a 400kg animal.

Set your camera for high-speed bursts or short video clips. The most sought-after footage is the male's nasal inflation, which happens very quickly during social interactions. A fast trigger speed (under 0.3 seconds) is essential to catch the moment the red 'balloon' emerges from the nostril. Since the Arctic and North Atlantic environments are often bright due to snow and ice, adjust your exposure compensation to -0.5 or -1.0 to prevent the white ice from 'blowing out' the image and losing detail on the seal's silver coat.

For timing, the month of March is the 'Golden Hour' for Hooded Seal photography. This is when they gather on the ice for a very brief window to pup and breed. If you are using a camera in low-light Arctic winters, ensure you have high-quality lithium batteries, as standard alkaline batteries will fail instantly in the sub-zero temperatures these seals call home. Aim for a wide-angle lens if possible; these are large animals and you’ll want to capture the vast, icy landscape that defines their existence.

Frequently Asked Questions

The red balloon is actually an inflatable nasal septum. Only adult males have it; they blow it out of one nostril as a display of dominance or to attract females during the breeding season.
Pups are born with a distinct silver-blue coat on their backs and a creamy white belly. This 'blue-back' fur is highly prized and very different from the spotted coat they will grow after their first molt at around 14 months.
Hooded Seals have the shortest weaning period of any mammal, lasting only about 4 days. During this time, the pup consumes incredibly fat-rich milk to double its weight before the mother leaves it forever.
Yes, they can be. Hooded Seals are known for being much more territorial and aggressive than other seal species. They will defend their space on the ice and have been known to charge if they feel threatened.
They are elite divers, regularly reaching depths of 100 to 600 meters, but they have been recorded diving deeper than 1,000 meters (over 3,200 feet) in search of deep-sea fish.

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