Paracanthurus hepatus Spawned in Captivity

This entry was posted on Saturday, August 20th, 2011 and is filed under BR Blog.

Blue Hippo Tang

The extremely popular Blue Hippo Tang may soon be available as captive-bred.

by Tom Lang

Ho Yuan-hsing, an associate researcher at Taiwan’s Fisheries Research Institute – Eastern Marine Biology Research Center, has reported spawning the Blue Surgeonfish (Paracanthurus hepatus) and preparing to ramp up production by 2012 to a large scale.

Ho was quoted as saying that deterioration of coral reef ecosystems has led to a dwindling of the supply of these popular aquarium fishes in the wild and that the program will also be researching the possibility of releasing some of the aquarium-bred stock back into their natural habitat around Orchid Island.

Most interesting to us at The Breeder’s Registry was how Ho “found” a ciliate that he feeds to the larval fish, later switching them to “algae, seaweed and other types of food they ingest in nature.” This may bode well for raising larvae of other algae-eating tangs and other marine fishes by first offering cultured ciliated protozoa such as Euplotes sp., which are often much more abundant in coastal marine waters than copepod nauplii.

Another benefit of using ciliates as a first food is that they can be of smaller size and more appropriate for smaller larvae.

From: Taiwan Today

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