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They are opportunistic, feeding on smaller fish, crustaceans, and even plants rarely. In salt water, they mainly feed on prawns and herring, but also many other small fish.. In fresh water, no significant difference in their food habits is seen; they eat freshwater prawns and bony bream, main
A school of large pelagic predator fish (bluefin trevally) sizing up a school of small pelagic prey fish (). Pelagic fish live in the pelagic zone of ocean or lake waters—being neither close to the bottom nor near the shore—in contrast with demersal fish that live on or near the bottom, and reef fish that are associated with coral reefs.
Since the arapaima needs to surface to breathe air, traditional arapaima fishermen harpoon them and then club them to death. An individual fish can yield as much as 70 kg (150 lb) of meat. The arapaima was introduced for fishing in Thailand and Malaysia. Fishing in Thailand can be done in several lakes, where specimens over 150 kg (330 lb) are ...
Mackerel is a common name applied to a number of different species of pelagic fish, mostly from the family Scombridae.They are found in both temperate and tropical seas, mostly living along the coast or offshore in the oceanic environment.
Ergasilus is a genus of copepod crustaceans occurring in both the ocean and fresh water, often called gill lice.The females are parasitic upon the gills of fishes. Being copepods, gill lice have a single median eye on their head.
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The swim bladder, gas bladder, fish maw, or air bladder is an internal gas-filled organ in bony fish (but not cartilaginous fish [1]) that functions to modulate buoyancy, and thus allowing the fish to stay at desired water depth without having to maintain lift via swimming, which expends more energy. [2]
The bluespot mullet (Crenimugil seheli) is a member of the ray-finned fish family Mugilidae found worldwide in coastal temperate and tropical waters, and in some species in fresh water. [2]