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[1] [a] Although shoaling fish can relate to each other in a loose way, with each fish swimming and foraging somewhat independently, they are nonetheless aware of the other members of the group as shown by the way they adjust behaviour such as swimming, so as to remain close to the other fish in the group. Shoaling groups can include fish of ...
A group of whales swim in a shrinking circle, blowing bubbles below a school of prey fish. [22] Forage fish show a strong fear of bubbles and can be easily contained within a bubble curtain. [23] The shrinking ring of bubbles encircles the school and confines it in an ever smaller cylinder.
They swim alone or in very loose aggregations, separated by as much as 10 m (35 ft) from a neighboring swordfish. They are frequently found basking at the surface, airing their first dorsal fin. Boaters report this to be a beautiful sight, as is the powerful jumping for which the species is known.
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Using the weight calculation formula, the swordfish measured 138 inches overall — 98 from the lower jaw to the fork of the tail — and had a girth of 64 inches. "It was a fat fish, too. It had ...
Sailfish were previously estimated to reach maximum swimming speeds of 35 m/s (125 km/h), but research published in 2015 and 2016 indicate sailfish do not exceed speeds between 10–15 m/s (35–55 km/h). During predator–prey interactions, sailfish reached burst speeds of 7 m/s (25 km/h) and did not surpass 10 m/s (35 km/h).
Rare, endangered sawfish swimming in death spirals shortly before dying. Stingrays flip-flopping upside down on the surface of the water. Snapper and grouper twisting like dancers in a Cirque du ...
If this is a problem with dolphins it is an even greater problem with billfish such as swordfish, which swim and accelerate faster than dolphins. In 2009, Taiwanese researchers from the National Chung Hsing University introduced new concepts of "kidnapped airfoils and circulating horsepower" to explain the swimming capabilities of swordfish ...