Pelagic tropical fish

Pom Pom island has very large schools of pelagic fish. These are mostly anchovies, sardines and herring families. These are food for larger pelagic fish, tuna, spanish mackrel and occasionally billfish such as sailfish and marlin. The fish schools congregate during day time around the jetties, moving offshore to feed at night. Unfortunately the water under the jetties is tidal and at low tide the bait fish schools have to move out into open water. When the cruising pelagic fish find the bait fish there is a rush of action as the small fish franticly try to escape.

Some of the predator fish have a strategy and they drive the baitfish towards shallow water or the surface. When attacked from below the baitfish jump into the air to escape and that attracts the birds. Frigate birds are most common but terns and gannets have also been seen.


Reports on an Exploration Off the West Coasts of Mexico, Central and South America, and Off the Galapagos Islands, in Charge of Alexander Agassiz... XXXIX. Reports on the Scientific Results of the Expedition to the Eastern Tropical Pacific, in Charge of Alexander Agassiz, by the U.S. Fish Commission Steamer "Albatross"... XXXIV. The Pelagic Nemerteans.
Book (-)

Thanks for that the other thing that chaps me

2010-06-06 11:17:26 by Sample1

Is no one seems to have any concern or anger that there are rivers of oil streaming miles through the strata of water from the ocean bed on upwards.
It's as if only the "coast" matters, not the marine life out in the sea be it jellyfish, zooplankton, and other pelagic wildlife.
It's like, out of sight, out of mind.
I live in Alaska, we still have oil 20yrs later on those beaches if you dig down a foot. And Exxon's spill was likely half the size. A *minimum* 35 thousand birds were killed by Exxon (likely a gross underestimate). Not to mention a thousand otters, and all the whales, porpoises and other critters


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