Pupfish form evolutionary 'mountain ranges'
Barely kept and difficult to maintain, the pupfishes of the genus Cyprinodon are of outsized interest to evolutionary biologists. Their isolated desert waters are the reason.
Results for “parasite”
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'Phallusy' or foe? The myth of the candiru
The candiru has been credited with destroying manhood for over two hundred years. What the fish actually does, and how much of the legend survives the checking.
Stunted growth means stunted lives
The first of a series supporting BIAZA's Big Fish Campaign, on why aquarium fishes are treated as disposable and why, in some cases, size really does matter.