What's the name of this fish with black skin and soft body?

It's hard to be sure without photos, maybe?

Eellidae (Eellidae)? Rhino? Rhinoceros fish

What is the picture below? (childhood) black body and nose? Rhinomuraena quaesita？ Commonly known as Tube-nosed eel, big-mouthed tube-nosed eel, colorful eel.

The body length is about 0.9 to 1 m, and the longest can reach 1.3 m. The body is slender, the back is yellow and slightly white (the above are the same characteristics of adult fish and young fish). The nasal tube is only tubular before the juvenile stage, and the wall at the back of the tube develops into a membrane flap when the fish is adult, and the tentacles of the upper and lower jaws extend and branch. The whole body, iridescence and anal fin of juvenile and adult fish are black, and there is a yellow-white stripe on the chin; Male body side is bright blue, snout, rainbow and chin are mostly yellow, and gluteal fin is black; The female fish has yellow body and black anal fin; Androgyny is yellow and blue.

What is the picture below? (Adult male) Black body, black tube and black nose?

Distributed in Indian Ocean and Pacific Ocean, including East Africa, Reunion, Mauritius, Maldives, Seychelles, Christmas Island, Taiwan Province Province, Japan, Vietnam, Philippines, Indonesia, Australia, Cook Islands, Guam, Mariana Islands, Palau, New Guinea, French Porini West Asia, New Caledonia, Tonga and Samoa.