Monday, February 18, 2008

Tropical Transparent Fish - Glass Fish - X-Ray Fish

Below are photos of tropical freshwater transparent fish or glass fish. Not exactly transparent but the fish bones are clearly visible. This means, technically it not a see-through fish.

The transparent fish in the photos below probably lacks black pigment, called "nacre". It's exact species is unknown but my guess is that is an X-ray fish - Pristella maxillaris.

Cropped photo of freshwater X-ray fish

Photo of freshwater X-ray fish

Photo of freshwater X-ray fish

For more hi-resolution photos, check out my Flickr Fish Gallery.

Photo taken at Sarawak Museum Aquarium.

Other type of transparent fish: Zebrafish

Some transparent fish such as the
see-through zebrafish are use by scientists and researchers to directly view its internal organs, and observe processes like tumor metastasis and blood production after bone-marrow transplant in a living organism.

Other type of transparent fish: icefishes

The icefishes (or white-blooded fishes) are a family (Channichthyidae) of perciform fish found in the cold waters around Antarctica and southern South America.

Their blood is transparent because they have no hemoglobin and/or only defunct erythrocytes. Their metabolism relies only on the oxygen dissolved in the liquid blood, which is believed to be absorbed directly through the skin from the water. This works because water can dissolve the most oxygen when it is coldest. In five species, the gene for myoglobin in the muscles has also vanished, leaving them with white instead of pink hearts.

Related posts:
* Added May 26, 2008: Photo of Pristella maxillaris - X-ray fish - Series #2

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