Some sea-fish are flat, such, for instance, as the rhombus,2448 the sole,2449 and the sea-sparrow;2450 which last only differs from the rhombus in the lateral position of the body. The rhombus lies with the right side upwards,2451 while in the sea-sparrow the left side is uppermost. Some sea-fish, again, are long, as the muræna and the conger.