Fish On Fridays. (Poisson Le Vendredi.)

Australian Pineapplefish: (Scientific name: Cleidopus gloriamaris. Family: Monocentrididae.) Found in caves and under ledges of rocky, occasionally coral-reef habitats. Max length of about 22cm. Found in depths from 6m to 200m.

Ah-ha, you weren't expecting a fish, were you?

Stolen from Friday Fish Time.