also: せみほうぼう
noun
Oriental flying gurnard
A species of flying gurnard (Dactyloptena orientalis) found in the Indo-Pacific. The name is a specific biological term.
水族館でセミホウボウを見た。
I saw an Oriental flying gurnard at the aquarium.
ホウボウ is the common red gurnard (Chelidonichthys spinosus), a related but different fish. セミホウボウ is a specific species of flying gurnard.
The name セミホウボウ likely combines セミ (cicada) and ホウボウ (gurnard), possibly from a perceived resemblance, but the exact derivation is uncertain.