Pacific Walrus

Odobenus rosmarus divergens

Order: Carnivora

Family: Odobenidae

Specimen History: The skeleton was obtained from an animal harvested during a marine mammal harvest in Chukotka, with the assistance of ChukotTINRO personnel in 2015.

Preparation: S.V. Zagrebelny, D.I. Litovka (Anadyr) Restoration & Assembly: N.I. Tselovalnik (Kaliningrad)

Weight: 0.8–1.7 tons

Length: 2.2–3.6 m

Diet: Molluscs, benthic invertebrates, seals

Lifespan: 30–40 years

Speed: 5–10 km/h (up to 35 km/h)

Diving Depth: 0–50 m

Bearded Seal (Lakhtak)

Erignathus barbatus

Order: Carnivora

Family: Phocidae

Specimen History: The skeleton was obtained from an animal harvested during a marine mammal harvest in Chukotka, with the assistance of ChukotTINRO personnel in 2015.

Preparation: D.I. Litovka (Anadyr) Restoration & Assembly: N.I. Tselovalnik (Kaliningrad)

Weight: Up to 0.3 tons

Length: 2.2–2.7 m

Diet: Crabs, shrimps, molluscs, fish

Lifespan: Up to 30 years

Speed: 3–5 km/h (up to 15 km/h)

Diving Depth: 0–50 m

† Steller’s Sea Cow

Hydrodamalis gigas

Order: Sirenia

Family: Dugongidae

Specimen History:

Vertebral elements of the sea cow were discovered by local residents on the eastern coast of Bering Island in Tovarishcheskaya Shayba Bay in 2006. Cranial bone fragments were discovered in 2010 at the mouth of the Ladyginskaya River.

Preparation & Restoration: Yu.V. Starikov (St. Petersburg) Casting of Fragments: Zoological Institute of the Russian Academy of Sciences (St. Petersburg)

Weight: Up to 4–5 tons

Length: 6–10 m

Diet: Marine algae, kelp

Lifespan: Up to 70 years

Speed: 2–3 km/h

Diving Depth: 0–4 m

Sperm Whale

Physeter macrocephalus

Parvorder: Odontoceti

Family: Physeteridae

Specimen History:

This adult male sperm whale (weight: 63 tons, age: 40 years) was harvested in 1975 during the 15th cruise of the whaling flotilla Yury Dolgoruky by whaling vessel No. 65 Sposobny in the Antarctic (30°50′S, 42°02′W). The skeleton was brought to Kaliningrad and processed at AtlantNIRO. In 1993, it was transferred to the Museum of the World Ocean and first assembled in 2001.

Assembly: V.V. Sukhovershin, B.A. Leonov, I.E. Filatov (AtlantNIRO, Kaliningrad) Restoration: Yu.V. Starikov (St. Petersburg)

Restoration & Assembly: N.I. Tselovalnik (Kaliningrad)

Weight: 20–70 tons

Length: 13–21 m

Diet: Cephalopods, fish

Lifespan: Up to 70 years

Speed: 5–6 km/h (up to 37 km/h)

Diving Depth: 0–3,000 m

Gray Whale

Eschrichtius robustus

Parvorder: Mysticeti (Baleen whales)

Family: Eschrichtiidae (Rorquals)

Specimen History:

The skeleton was obtained from an animal harvested during a marine mammal harvest in Chukotka. It was collected from a ‘whale graveyard’ in the village of Uelkal, Iultinsky District, Chukotka Autonomous Okrug, by N.N. Leita and S.V. Zagrebelny (Anadyr). The specimen was delivered to the museum in 2016, and conservation work was conducted throughout 2017–2018. Restoration & Assembly: Yu.V. Starikov (Zoological Institute of the Russian Academy of Sciences, St. Petersburg), N.I. Tselovalnik (Kaliningrad)

Weight: 15–35 tons

Length: 12–15 m

Diet: Cephalopods, fish

Lifespan: 60–80 years

Speed: 2–4 km/h (up to 33 km/h)

Diving Depth: 0–12 m