Steller's Sea Cow (Hydrodamalis gigas)

Set of scaled elevation drawings of the Steller's Sea Cow viewed from the front and side

Steller’s Sea Cow, known scientifically as Hydrodamalis gigas, was a large, slow-moving, marine mammal that was hunted to extinction for its hide, meat, and blubber in the 18th century. Much of what is known about Steller’s Sea Cow is from observations made by Georg Wilhelm Steller when an sea expedition he was on shipwrecked on Bering Island giving him time to observe this creature in its natural habitat, the Bering Sea. Before modern times, the Steller’s Sea Cow is believed to have lived all across the Pacific ocean, but then had its habitat constricted due to the glacial cycle. The Steller’s Sea Cow’s only living relative is the much smaller dugong, which is considered vulnerable to extinction by the IUCN.

Steller's Sea Cows had a total length between 26’-30’ (7.9-9.1 m), body height of 6.5’-7.4’ (200-225 cm), and width of 6.5’-7.4’ (200-225 cm). The typical weight of the Steller's Sea Cow was in the range of 16,000-20,000 lb (7,260-9,070 kg). Steller's Sea Cow had lifespans between 50-80 years.

Details

*Under Development*

Height:
6.5’-7.4’ | 200-225 cm
Width:
6.5’-7.4’ | 200-225 cm
Depth:
Length:
26’-30’ | 7.9-9.1 m
:
:
Weight:
16,000-20,000 lb | 7,260-9,070 kg
Area:
:
:
Scientific Name:
Hydrodamalis gigas
Lifespan:
50-80 years

Properties

Drawings include:

Steller's Sea Cow side elevation, front, top

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Sirenia also known as Sea-Cows, is the order of marine herbivorous mammals that are known for their large and round bodies. A Sirenia typically has a fusiform body and heavy bones to reduce drag while they swim through the water. A Sirenia is slow-moving, has a thin layer of fat and has strong lips.

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1.9’-3.1’ | 58-95 cm
3’-5’ | 93-153 cm
8’-13’ | 2.4-4 m
507-838 lb | 230-380 kg
50-70 years
Dugong
95.000
153.000
400.000
380.000
70.00
302300
3D
Dugong
2.3’-3.5’ | 70-107 cm
2.8’-4.3’ | 85-130 cm
10’-14.75’ | 3-4.5 m
794-1,190 lb | 360-540 kg
25-30 years
West Indian Manatee
107.000
130.000
450.000
540.000
30.00
5200
3D
West Indian Manatee
6.5’-7.4’ | 200-225 cm
6.5’-7.4’ | 200-225 cm
26’-30’ | 7.9-9.1 m
16,000-20,000 lb | 7,260-9,070 kg
50-80 years
Steller's Sea Cow
225.000
225.000
910.000
9070.000
80.00
4700
3D
Steller's Sea Cow
1.6’-2’ | 50-62 cm
2.1’-2.7’ | 63-83 cm
8’-10’ | 2.4-3 m
573-1,058 lb | 260-480 kg
15-30 years
Amazonian Manatee
62.000
83.000
300.000
480.000
30.00
3900
3D
Amazonian Manatee
2.1’-2.8’ | 65-85 cm
2.8’-3.6’ | 85-110 cm
10’-13’ | 3-4 m
794-1,653 lb | 360-750 kg
20-30 years
West African Manatee
85.000
110.000
400.000
750.000
30.00
260
3D
West African Manatee