How to Use pectoral fin in a Sentence

pectoral fin

noun
  • The pectoral fins work in the same way to steer the fish left and right.
    Matt Simon, WIRED, 19 June 2019
  • One youngster’s pectoral fin got stuck between a float and the steel rope at the top of the net.
    Lina Zeldovich, Smithsonian, 24 Mar. 2017
  • Its top portion was a marine blue, and the pectoral fins were wide and long.
    William McKeever, BostonGlobe.com, 3 July 2019
  • Grip them around the back of the head placing your thumb and forefinger on the back side of each pectoral fin.
    Joe Cermele, Field & Stream, 24 May 2023
  • Next, as if aware of an audience, the humpback rolled on its side and flapped a pectoral fin to splash the water.
    Walter Nicklin, Washington Post, 26 Aug. 2022
  • Our hands came from the forelimbs of land vertebrates, which derived from the pectoral fins of fish.
    Frans De Waal, Discover Magazine, 31 May 2019
  • Make your first cut behind the pectoral fin or gill cover, angling the tip of the knife slightly toward the head.
    Michael Stillwell, Popular Mechanics, 27 Mar. 2023
  • Some brood their eggs in a pouch, some in their mouths, some tuck them behind their pectoral fins—that’s called armpit brooding.
    Jennifer Hayes, National Geographic, 23 May 2019
  • The misshapen right pectoral fin and scars on the mottled many-shades-of-gray skin of one narwhal looked familiar.
    Marguerite Holloway, The New Yorker, 31 Aug. 2021
  • One example is the tiny deep sea pocket shark, which has a strange pouch behind its pectoral fins.
    Gavin Naylor, The Conversation, 25 July 2019
  • The collar refers to the section that begins directly behind the head and ends just behind the pectoral fin (right before the start of the fillet).
    Cosmo Genova, Field & Stream, 23 Apr. 2020
  • While most cetaceans' pectoral fins are only one-seventh of their body length, a humpback's flippers can reach up to one-third of its body length.
    Brigit Katz, Smithsonian, 17 Oct. 2019
  • Spotted in Mossel Bay, South Africa, the whale tore off the shark’s left pectoral fin, killing the animal in under two minutes.
    Will Sullivan, Smithsonian Magazine, 4 Mar. 2024
  • The healthier whale then held the other whale in place with its pectoral fins and began to penetrate the other whale.
    Matt Lavietes, NBC News, 29 Feb. 2024
  • In one video, Gauna captured a shark with a pectoral fin bent at a right angle from an injury, like a broken wing.
    Joe Mozingo, oregonlive, 16 May 2021
  • Over and over again, the dolphin pushed a newborn calf, almost certainly her own, away from the observers' boat and against the current with her snout and pectoral fins.
    Barbara J. King, Scientific American, 23 May 2017
  • These relationships are so tight, in fact, that the males spend a lot of time caressing each other with their pectoral fins.
    Jason Bittel, National Geographic, 7 June 2018
  • Cownose rays have a unique feature: long, pointed pectoral fins that separate into two lobes in front of their high-domed heads.
    The Kansas City Zoo, kansascity, 27 June 2018
  • Other scans revealed the delicate bones of its pectoral fin.
    New York Times, 29 Apr. 2022
  • The chambers that fill with the battery/hydraulic fluid to move the fish and pectoral fins also contain the electrodes that allow the battery to function.
    John Timmer, Ars Technica, 19 June 2019
  • These three-foot-long creatures live near Australia, and, as their name implies, move their pectoral fins in the front and pelvic fins in the back to plod along the seafloor—or even atop coral reefs, outside the water, at low tide.
    National Geographic, 23 Jan. 2020
  • Pumping blood from the dorsal spines into the pectoral fins pushes the fins outward from the body, and pumping blood from one side of the tail to the other and back again results in a swimming motion.
    IEEE Spectrum, 19 June 2019
  • Kosma was able to see exactly how two adult male humpbacks were using their pectoral fins.
    Virginia Morell, Science | AAAS, 15 Oct. 2019
  • On Monday, the marine biologist went to the beach to get some measurements of the shark and found that someone had taken its tail, dorsal fin, pectoral fin, and the shark's teeth.
    Sarah Rumpf, Fox News, 7 Feb. 2023
  • Useful tip: When handling and cleaning catfish, be mindful of the three sharp, poisonous barbs located on the dorsal and pectoral fins.
    Jordan Rodriguez, Idaho Statesman, 31 Jan. 2024
  • And of course, the design could be simplified and made more efficient if the pectoral fin display and all the hardware that supports it were eliminated.
    John Timmer, Ars Technica, 19 June 2019
  • But not just any fish—a lionfish, which has elaborate dorsal and pectoral fins and can perform displays using them.
    John Timmer, Ars Technica, 19 June 2019
  • An alternative to this hold, as seen in the photo above, is to put a thumb firmly behind one pectoral fin with the other pectoral between the index and second finger.
    Joe Cermele, Field & Stream, 24 May 2023
  • Instead, parts of the fish’s pectoral fins have separated through evolution.
    Jason Bittel, National Geographic, 2 June 2017
  • Although sharks use their pectoral fins to swim and position themselves over prey, questions were gradually raised about the functions of the shoulder girdle.
    National Geographic, 18 July 2017

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'pectoral fin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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