Search results
Results from the WOW.Com Content Network
Juvenile swordfish are far more vulnerable to predation, and are eaten by a wide range of predatory fish. [6] [23] Intensive fishery may be driving swordfishes and sharks into harder competition for reduced amounts of prey and therefore pitting them to fight more. [23] Human fishery is a major predator of swordfishes.
Diadromous – all fish that migrate between the sea and fresh water. Like the two aforementioned, well-known terms, diadromous was formed from Classical Greek ([dia], "through"; and [dromous], "running"). Amphidromous – fish that migrate from fresh water to the sea, or vice versa, but not for the purpose of breeding. Instead they enter ...
A predator might release a chemical cue which could cause its prey to vertically migrate away. [27] This may stimulate the prey to vertically migrate to avoid said predator. The introduction of a potential predator species, like a fish, to the habitat of diel vertical migrating zooplankton has been shown to influence the distribution patterns ...
Underwater video loop of a school of herrings migrating at high speed to their spawning grounds in the Baltic Sea. An aggregation of fish is the general term for any collection of fish that have gathered together in some locality.
"80% of our migratory birds here in North America are actually migrating at night," he said. "A large impact that humans actually have on birds during migration is with the light that we produce ...
Moreover, reindeer migrate an average of 12 to 34 miles per day and can run at speeds of up to 50 mph, even when they weigh up to 300 kg. These powerhouses of energy have become well-known in many ...
Some species such as Pacific salmon migrate to reproduce; every year, they swim upstream to mate and then return to the ocean. [8] Temperature is a driving factor of migration that is dependent on the time of year. Many species, especially birds, migrate to warmer locations during the winter to escape poor environmental conditions. [9]
AOL Mail welcomes Verizon customers to our safe and delightful email experience!