They ride a variety of creatures:

Durzogs are reptilian dog-like creatures that goblins raise for war and to hunt down their victims. The goblins of Cyrodiil raise rats in pens for their meat.

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The Shadowsilk Tribe are a tribe found in Stonefalls who have managed to tame giant spiders for use as war beasts.

They domesticate and ride a variety of creatures:

Durzogs are reptilian dog-like creatures that goblins raise for war and to hunt down their victims. The goblins of Cyrodiil raise rats in pens for their meat.

....

The Shadowsilk Tribe are a tribe found in Stonefalls who have managed to tame giant spiders for use as war beasts.

They ride a variety of creatures:

Goblins have been known to use a number of Tamriel's vicious wildlife species in this role. For example, the Shadowsilk tribe managed to tame giant spiders while other Goblins tribes have done this with giant rats and Durzogs.

They ride a variety of creatures:

Durzogs are reptilian dog-like creatures that goblins raise for war and to hunt down their victims. The goblins of Cyrodiil raise rats in pens for their meat.

....

The Shadowsilk Tribe are a tribe found in Stonefalls who have managed to tame giant spiders for use as war beasts.