Wednesday, June 27, 2012

Indian Ocean Walkmen

Below is an excerpt from our page on Walkmen. We encounter these frequently on Muck dives in Komodo and very occasionally on our Similan Liveaboard

The indian ocean walkman (Inimicus didactylus) also known as the Demon Stinger fish, Scorpion fish, Devil Stinger fish, Bearded Ghoul is a member of the Inimicus genus of venomous fishes, closely related to the true stonefishes.
It is irregularly surfaced with spines and a knobby appearance. The fish has venomous spines to ward off enemies.

General Description
Adults can attain a body length of up to 26 centimeters in length. The body color is red or sandy yellow with light blotches, and very similar to that of the surrounding sandy or coral seabed in which they are found. This coloration acts as a camouflage which renders them extremely difficult to detect in their natural habitat. The skin is without scales except along the lateral line, and is covered with venomous spines and wart-like glands which give it a knobby appearance. The head is flattened, depressed and concave. The eyes, mouth and nostrils project upwards and outwards from the dorsal aspect of the head. Sexual dimorphism is not believed to occur in this species.
The species has a depressed head that is strongly concave on the dorsal side. The head is also covered with flaps of skin and raised ridges, and tentacles are present on the head, trunk, and fins. Its mouth points up almost vertically, and its eyes protrude visibly outwards. A raised knob at the end of its snout gives it the appearance of having an upturned nose.

Wicked Diving

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