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A unique upright-swimming fish with a prehensile tail and a pouch where males brood the young.

A slender elongated fish related to seahorses, with a tubular snout and protective bony plates.

A spectacular leaf-like fish of southern Australia with weed-like projections, closely related to seahorses.

A master of camouflage with leaf-like appendages, drifting like seaweed off southern Australia.