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The shortbill spearfish (Tetrapturus angustirostris), sometimes called the short-nosed spearfish, is a species of marlin native to the Indian and Pacific Oceans, with occasional records from the Atlantic Ocean. This species occurs in open waters not far from the surface.
The swordfish (Xiphias gladius), also known as the broadbill [5] in some countries, are large, highly migratory predatory fish characterized by a long, flat, pointed ...
The common names given to individual species in this genus do not always reflect their actual relationships; for example, the marbled swordtail (X. meyeri) is actually in the platy group based on its genetics while the short-sword platyfish (X. continens) is closer to the swordtails. [4] Swordtails (Xiphophorus)
The Aztecs, in what is currently Mexico, often included depictions of sawfish rostra (saws), notably as the striker/sword of the monster Cipactli. [86] Numerous sawfish rostra have been found buried at the Templo Mayor , and two locations in coastal Veracruz had Aztec names referring to sawfish. [ 4 ]
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The swordfish has the longest bill, about one-third its body length. Like a true sword, it is smooth, flat, pointed and sharp. The bills of other billfish are shorter and rounder, more like spears. [40] Billfish normally use their bills to slash at schooling fish. They swim through the fish school at high speed, slashing left and right, and ...
Growing to a maximum length of around 7.5 cm (3.0 in), the females are larger in size than the males. The genus Xiphophorus is common in freshwater aquariums.The males of this particular species are known for their metallic green scales and the fact that their "sword" stays horizontal unlike most species where it is angled downward.
The males possess an enlarged, sail-like dorsal fin similar to that of the males of the closely related species P. velifera and P. latipinna [3] as well as a pronounced lower margin on the caudal fin (a "sword"). [3] [2] P. kykesis has fewer rays in the dorsal fin than P. velifera and more lateral scales than either P. velifera or P. latipinna. [2]