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Seahorses are bizarre little ocean anomalies, from their tube-shaped snouts to their prehensile tails. Perhaps their most unusual trait: It's the males that give birth. Now, for the first time, a research team has begun to investigate the genetic basis for these evolutionary oddities, by sequencing and analyzing the genome of a male tiger tail seahorse (Hippocampus comes) and comparing it with the DNA of other bony fish species. [Source: Science / AAAS]
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