The colour is dark greenish-brown or charcoal grey with pale grey tentacles on blackish stems.

For a heartbeat, Si Cwan was caught off guard, and that was when Kalinda's arms morphed into tentacles, gray and slimy and dripping.

One of them reached Niall's ankle, and extended its grey tentacles to try to climb on to his foot.

The roper resembles a conical structure of a stony organism, somewhat similar in appearance to a pile of rock, wrapped in coils of grey, rope-like tentacles.

He fluttered six gray tentacles across his gaping mouth to conceal his surprise.

Doggins produced the broken knife, and slashed at a writhing grey tentacle.

It started to do so, and a grey tentacle appeared around the edge of the hole.

What looked like writhing gray tentacles covered the top of its elongated head.

A gray tentacle waved between the steel rods, snatching at the fruit.

He was only a few steps from the end of the pier when the Eagle finally materialized from the gray tentacles of the fog.