Southern Australia
Pot-bellied seahorse, Hippocampus abdominalis
Pot-bellied seahorses, as the name suggests, have a large swollen belly. Like other seahorses, this species comes in a wide range of colors – brown, yellow, gray, white, orange or mottled with dark spots on its head and trunk. They have a forward-tilted, long-snouted head, eyes that can move independently of each other and a prehensile tail. Males and females differ in appearance. Males have a longer tail, a shorter snout and a smooth soft pouch-like area at the base of the abdomen. Females have more of a pointed stomach.
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Tasseled anglerfish, Rhycherus filamentosus
This specialized fish, also known as a frogfish, is found only in Southern Australia and is seldom displayed in aquariums. They have the ability to walk under water by using their uniquely modified pelvic and pectoral fins. Anglerfish were named for the modification of their dorsal fin that functions as a fishing rod and lure. Unsuspecting prey attracted by the moving “lure” are seized in the enormous mouth.
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Leafy seadragon, Phycodurus eques
The DWA was one of the first facilities in the US to successfully maintain and display these beautifully ornate relatives of the seahorse. Due to their specialized dietary and habitat requirements, this species has not reproduced successfully in an aquarium environment. The DWA is an industry leader in the husbandry of this species and hopes to help find the key to their reproduction in the future. Leafy and Weedy seadragons are strictly protected and export is carefully regulated.
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Weedy seadragon, Phyllopteryx taeniolatus
Like its better-known relative, the Leafy seadragon, the Weedy seadragon is considered a highly specialized pipefish, rather than a true seahorse. The males of all pipefishes and seahorses receive the eggs from the female after they are laid and brood them until they hatch. Unlike male seahorses who store eggs in a brood pouch, seadragons attach eggs to a brood patch. The Weedy seadragon is the Marine Emblem of the Australian State of Victoria while the “Leafy” is the Marine Emblem for South Australia.
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