Lanternfish evolution provides unique insights into how deep-sea species might respond to commercial fishing.

A study of 686 fish and invertebrates predicts that some animals will have to shift more than 1,000 kilometers to stay within tolerable temperatures.

Bigger, older mothers produce disproportionately more eggs than their smaller counterparts do.

Organophosphates jeopardize dozens of species, a federal review finds.

Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.

Warming waters will cause many fish species to move from the tropics toward the poles, a study predicts.

Fisheries scientists allege that an official wanted to abolish their department because their research contradicted the findings of other agencies.

A type of scallop expels water and waste through a sort of cough that could reveal clues about water quality.

Continued overfishing of forage fish such as sardines and herring can result in devastating ecological and economic outcomes.