Weedy Seadragon
A relative of the seahorse, the weedy seadragon has protrusions on its body that resemble seaweed, to help it camouflage and hide from predators.
Class: Actinopterygii
Order: Syngnathiformes
Family: Syngnathidae
Genus: Phyllopteryx
Species: P. taeniolatus
Common Names: Weedy Seadragon, Common Seadragon
The weedy seadragon is found along the southern coast of the Australian continent, including around the island of Tasmania. Their habitat is rocky reefs and seaweed beds, usually in waters close to shore.
Their unusual body shape is not built for speed, so they depend on their camouflage to conceal them from predators. They drift through the water, hoping to be mistaken for seaweed.
They eat small crustaceans and plankton, which they suck into their tube shaped snouts through their toothless mouth.
Like the seahorse and other members of the family Syngnathidae, weedy seadragons have a unique method of breeding. Unlike most species, in which the young are gestated by the female, in the case of seadragons the female inserts her eggs into a “brood pouch” on the underside of the male. The male then carries them until they hatch around a month later.
The weedy seadragon is reddish or yellowish in coloration with purple and blue markings. It features leaf-like protrusions on its body to help it blend in with seaweed.
It has a long thin snout, like its relative the seahorse, and a similarly shaped body with a long, thin tail.
The weedy seadragon is in the subfamily Syngnathinae, which contains the two other species of seadragon, as well as all species of pipefish. The other species of seadragon include the leafy seadragon and the ruby seadragon. The ruby seadragon is a recent discovery; a dead specimen was found on a beach in 2007, and it was only named and described in 2015. It wasn’t until 2016 that a live specimen was first filmed. The ruby seadragon is bright red in color and lives in deeper waters than its seadragon relatives. It has a prehensile tail which it can use to grasp objects, which is a feature that most seahorse species possess, but the other seadragons do not.
The weedy seadragon is a species of Least Concern, meaning its population is stable. The main threat it faces is habitat loss and pollution. It is sometimes found in aquariums, though it is currently illegal to collect wild specimens throughout most of their range. Captive breeding programs are in place, and the first successful attempt was accomplished by the Aquarium of the Pacific, located in Long Beach, California.
References
https://en.wikipedia.org/wiki/Common_seadragon
https://www.aquariumofpacific.org/onlinelearningcenter/species/weedy_seadragon1
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