Skil Brum (Urdu: سکل برم‎ ), or Skilbrum, is a mountain in the Karakoram range in Gilgit–Baltistan, Pakistan, approximately 9 km (5 mi) west-southwest of K2.
 It lies on the western side of the Godwin-Austen Glacier, roughly opposite Broad Peak.
Chamlang is a mountain in the Nepalese Himalayas, near Makalu.
 It lies in the southern section of the Mahalangur subrange of the Himalayas.
 Chamlang has an elevation of 7319 m .
The sablefish ("Anoplopoma fimbria") is one of two members of the fish family Anoplopomatidae and the only species in the Anoplopoma genus.
 In English, common names for it include sable (USA), butterfish (USA), black cod (USA, UK, Canada), blue cod (UK), bluefish (UK), candlefish (UK), coal cod (UK), coalfish (Canada), beshow, and skil(fish) (Canada), although many of these names also refer to other, unrelated, species.
 In the USA, the FDA accepts only "sablefish" as the Acceptable Market Name; "black cod" is considered a vernacular (regional) name and should not be used as a Statement of Identity for this species.
 The sablefish is found in muddy sea beds in the North Pacific at depths of 300 to and is commercially important to Japan.

Question: Skil Brum and Chamlang are both names of a what?
Answer: mountain