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image: Male Fish Borrows Egg to Clone Itself

Male Fish Borrows Egg to Clone Itself

By | May 24, 2017

A fish created by spontaneous androgenesis is the first known vertebrate to arise naturally by this asexual reproductive phenomenon. 

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Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

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image: Migratory Eels Use Magnetoreception

Migratory Eels Use Magnetoreception

By | April 14, 2017

In laboratory experiments that simulated oceanic conditions, the fish responded to magnetic fields, a sensory input that may aid migration.

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image: Image of the Day: Fanged Fish

Image of the Day: Fanged Fish

By | April 14, 2017

Poisonous fang blennies (Meiacanthus) are only around 2 inches long but, with their tiny fangs, they can inject predators with a venom that has potent hypotensive effects.

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Recolonizing middle-aged animals with bacteria from younger ones kept killifish alive longer than usual, researchers report.

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image: Image of the Day: Tail Eyes

Image of the Day: Tail Eyes

By | April 3, 2017

Following treatment with a migraine drug, blind tadpoles were able to process visual information through eyes transplanted onto their tails.

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image: Genome Digest

Genome Digest

By | March 16, 2017

What researchers are learning as they sequence, map, and decode species’ genomes

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image: Image of the Day: Electric Fish

Image of the Day: Electric Fish

By | March 7, 2017

The little skate (Leucoraja erinacea) uses its specialized electrosensory organ to detect electrical fields produced by its prey.

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image: Tune Into the Animal Kingdom

Tune Into the Animal Kingdom

By | March 1, 2017

A survey of sounds from birds to whales to fruit flies to fish

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image: Song Around the Animal Kingdom

Song Around the Animal Kingdom

By | March 1, 2017

Diverse species are said to sing, but music is in the ear of the beholder.

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