Believe it or not

By Creation Ministries International, CREATION.COM

Flatfish claims rehashed

flatfish

In adult flatfish, both eyes are on the same side of its body. (As they mature, one eye progressively migrates over the top of the fish's head.) Evolutionists have traditionally struggled to explain how this could evolve.

Nevertheless, a fossil 'dated' 50 million years old called Heteronectes has for some time been hailed as the 'missing link'.1

One eye of this fossil fish is near the top of the head—in between the conditions of ordinary fish and flatfish. Heteronectes has received renewed media interest recently due to a recent re-analysis of its anatomy. And as with the first round of publicity, it has again been used to parade evolution as 'fact'.2,3

This is yet another case of assuming evolution in order to prove evolution. One can explain Heteronectes numerous ways without evolution. Perhaps it simply was not a fully adult specimen. Or it may have had a mutation that stopped the eye from migrating completely during the fish's development.

Heteronectes could also be an extension of the natural range of flatfish variation. Spiny turbots are known for being rather different from most other flatfish in a number of recognisable ways, and Heteronectes shares many of the same traits, including incomplete eye migration. Non-evolutionary explanations abound and yet remain unexplored. Why? Evolution is an assumption, not a conclusion.

References:

1. Missing link for wonky-eyed fish discovered, livescience.com, 25 June 2012.

2. Osteology of Heteronectes chantey (Acanthomorpha, Pleuronectiformes), an Eocene stem flatfish, with a discussion of flatfish sister-group relationships, Journal of Vertebrate Paleontology 32(4):735–756, 2012.

3. The evolutionary origin of flatfish asymmetry, Nature 454(7201):209–212, 2008.

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