The Yellow Fish Swallows the Ship

From D5.25, Iskandar Sees the Great Western Sea. It illustrates D5.25.8–15:

D5.25.8
A mountain rose, still wet, before their eyes,Fresh from the sea, as yellow as sunrise.
D5.25.9
The Shah sought out a swift ship, keen to viewWith his own eyes the marvel in the blue.
D5.25.10
One sage addressed him: “Do not go, O king;The deep is not your path to seek this thing.
D5.25.11
Stay here; let someone of small learning goAnd see the marvel that the waters show.”
D5.25.12
Thirty Romans and Iranians came aboardThe boat prepared at bidding of their lord.
D5.25.13
That mountain was a yellow fish; they drewStill closer to obtain a clearer view.
D5.25.14
It swiftly took their ship beneath the flow,And vanished from their sight in depths below.
D5.25.15
The legions stood astonished where they came,And every man invoked the Maker’s name.