Get Free Checker

How To Use Pectoral fin In A Sentence

  • Hippocampus satomiae is distinguished from congeners in having a combination of: extremely small size (height 11 mm, standard length 14 mm); 12 trunk rings; 27-28 tail rings; reduced ossification of inferior and ventral trunk ridges; 13 dorsal fin rays; 9 pectoral fin rays; anal fin small or absent; brooding area in males anterior to anus; well-developed spine on snout between eyes; distinct raised coronet with laterally expanded anterior and posterior flanges ( 'H-shaped' when viewed from above); snout without a bulbous tip; single gill opening on midline directly behind coronet supported by raised cleithral bone; large spines above eyes Practical Fishkeeping news (RSS)
  • Like its relative the puffer fish, the boxfish propels itself by waving its dorsal fin (on top of its body) and its anal fin (on the bottom), and it steers primarily with its pectoral fins and tail fin.
  • When hunting, they crawl on their outspread pectoral fins and sift through the sand.
  • The pectoral fin is set low on the lateral flank behind the notch of the cleithrum and is supported by a small rounded lobe covered with minute rhombic scales.
  • Boxfishes and three-spine sticklebacks hover very well by oscillating their pectoral fins with large attack angles on both recovery and power strokes.
Master English with Ease
Translate words instantly and build your vocabulary every day.
Boost Your
Learning
Master English with Ease
  • The body shows well-developed paired lateral fins (presumably true pectoral fins), indicating good stability, dorsal and anal fins, and a heterocercal tail (the lower lobe of the tail is elongated).
  • The legs (they're pectoral fins, really) allow batfish to crawl about the seafloor.
  • Boxfishes and three-spine sticklebacks hover very well by oscillating their pectoral fins with large attack angles on both recovery and power strokes.
  • The frogfish uses its stalked pectoral fins and its pelvic fins to slowly ‘walk’ across the bottom.
  • The most striking features described by this component are a relative deepening of the suborbital head region, shortening of the caudal peduncle, and a dorsad displacement of the pectoral fin.
  • Fishes with pectoral fins and obvious scales: parrotfishes, wrasses, hogfishes, razorfishes. Recently Uploaded Slideshows
  • These results provide insight into the hydrodynamic importance of major evolutionary transformations in pectoral fin morphology within the Actinopterygii.
  • Such torques are proposed to be counteracted anteriorly by lift forces generated by the head and pectoral fins.
  • Hippocampus pontohi, named after Indonesian dive guide Hence Pontoh, is distinguished from other congeners in having a combination of: extremely small size (height 14 mm, standard length 17 mm); 12 trunk rings; 26-28 tail rings; reduced ossification of inferior and ventral trunk ridges; 14 dorsal fin rays; 9-10 pectoral fin rays; anal fin small or absent; brooding area in males anterior to anus; medium length snout which lacks a bulbous tip; raised, angular coronet; fused or almost fused gill-openings on midline behind coronet supported by raised cleithral girdle; scattered tubercles on trunk and tail; distinctive branching filaments Practical Fishkeeping news (RSS)
  • The dorsal and pectoral fins have hard spines whereas the other rays are soft like the anal and caudal fins.
  • Hard to miss, especially by night divers, whose lights catch the gleam from its huge opalescent eyes, is the ratfish, which cruises by on wing-like pectoral fins.
  • That is, the cartilaginous radials extend to margins of pectoral fin, functionally and physically displacing the keratinous ceratotrichia.
  • The labroid fishes are pectoral fin locomotor specialists and a model for examining fin-based swimming.
  • See their gills distend with the movement and the flurry of pectoral fins that give the subtle shunting manoeuvre.
  • One was not a pufferfish but a frogfish that had swallowed some prey so large it was having difficulty using its silly, paddle-like pectoral fins.
  • The pelvic fins are small and far behind the center of gravity, while the pectoral fins are too large to minimize frictional drag.
  • Pectoral fin on upper side has black tip thought to mimic dorsal fin of venomous weever fish to deter predators.
  • Juveniles have colored bands above the pectoral fins that change to a spot when the fish mature.
  • When excited or scared, a white streak appears on the sides, extending backwards from the pectoral fins.
  • The first design trend we examine here is in the orientation of the pectoral fin base, defined externally as the angle of inclination of the insertion of the pectoral fin on the body.
  • Finally they tied ropes to the shark's tail fin and behind its pectoral fin, and attached these ties to the rescue vessel, which towed the shark out through the harbour estuary.
  • Although flying fish leap out of the water they do not porpoise but glide, using their pectoral fins as aerodynamic surfaces.
  • Swimming in many fish species can be subdivided into a slow swimming gait in which the pectoral fins are the primary propulsors and a fast swimming gait in which the fins are tucked and axial bending generates thrust.
  • These three genera are ‘monoplane’ gliders, having greatly expanded pectoral fins but not pelvics.
  • It outguessed my every manoeuvre on the sandy bottom, and I ended the dive knackered, without one image of its huge iridescent blue pectoral fins splayed like a splendid fan to show for my efforts.
  • Hippocampus severnsi is distinguished from congeners in having a combination of: extremely small size (height 13 mm, standard length 15 mm); 12 trunk rings; 27 tail rings; reduced ossification of inferior and ventral trunk ridges; 14 dorsal fin rays; 10 pectoral fin rays; anal fin small or absent; medium length snout which lacks a bulbous tip; raised, angular coronet; single gill opening on midline directly behind coronet supported by raised cleithral bone; scattered tubercles on trunk and tail; predominant colour dark brown (sometimes slightly marbled) with large, bright red patch covering dorsolateral surfaces of trunk rings 1-4; tiny white dots scattered all over; pale posterior section of tail with dark transverse bands. Practical Fishkeeping news (RSS)
  • The oddly jointed pectoral fin armor is a memorable feature of the placoderms, especially Antiarchs.
  • Of all the cetacea, that which approaches the nearest in form to man is undoubtedly the dugong, which, when its head and breast are raised above the water, and its pectoral fins, resembling hands, are visible, might easily be taken by superstitious seamen for a semi-human being. The Mirror of Literature, Amusement, and Instruction Volume 14, No. 406, December 26, 1829
  • M. Cuvier suspects that I may have mistaken for it the animal called by naturalists the dugong, and vulgarly the sea-cow, which will be hereafter mentioned; and it would indeed be a grievous error to mistake for a beast with four legs, a fish with two pectoral fins serving the purposes of feet; but, independently of the authority I have stated, the kuda ayer, or river-horse, is familiarly known to the natives, as is also the duyong (from which M.layan word the dugong of naturalists has been corrupted); and I have only to add that, in a register given by the Philosophical Society of Batavia in the first The History of Sumatra Containing An Account Of The Government, Laws, Customs And Manners Of The Native Inhabitants
  • The prehensile pectoral fins actually grasp the weed as the fish moves about.
  • Due to the close proximity of the operculum and the pectoral fins, water jetting out of the operculum could affect flow over the pectoral fins, possibly changing locomotory efficiency.
  • When excited or scared, a white streak appears on the sides, extending backwards from the pectoral fins.
  • We found pygmy and full-sized seahorses, flying gurnards with their comically large pectoral fins, rare juvenile finger dragonets with bright blue anal fins, and a trio of spectacular yellow and white harlequin ghost pipefish.
  • Discussions of pectoral fin swimming in fishes have largely focused on the benefits of the fins during hovering, slow swimming and maneuvering.
  • The prehensile pectoral fins actually grasp the weed as the fish moves about.
  • When hunting, they crawl on their outspread pectoral fins and sift through the sand.
  • The sailboat has a fin keel and a rudder that resemble the dorsal and pectoral fins of orcas.
  • The pectoral fins and flukes of males are also larger than those of females.
  • For perciform fishes, the pectoral fin and tail are known to play important roles in propulsion and there is now a substantial literature on the function of these fins.
  • Hard to miss, especially by night divers, whose lights catch the gleam from its huge opalescent eyes, is the ratfish, which cruises by on wing-like pectoral fins.
  • Naming the new species Mastacembelus reygeli after scientific illustrator Alain Reygel, the authors distinguish the new species from Lake Tanganyika congeners by the following combination of characters: postanal length 37. 5-43.1% standard length, length of pectoral fin Practical Fishkeeping news (RSS)
  • They cruise slowly through the water, cavernous mouths agape, skin covered in a foul-smelling mucous and often trailing long threads of algae from their long pectoral fins.
  • The dorsal and pectoral fins have hard spines whereas the other rays are soft like the anal and caudal fins.
  • We moved around the rest of the morning, catching hardhead catfish (which Willcox unhooked with a long disgorger, to avoid the venomous spines in its dorsal and pectoral fins) and even a young goliath grouper, or jewfish (a protected species). A Keys Report: Fishing the Backcountry with Executive Editor Mike Toth
  • The duyong is a very large sea-animal or fish, of the order of mammalia, with two large pectoral fins serving the purposes of feet. The History of Sumatra Containing An Account Of The Government, Laws, Customs And Manners Of The Native Inhabitants
  • As her tail sinks into the semifluid sand, she twists her body and drills herself downward until she is buried up to the pectoral fins.
  • The oddly jointed pectoral fin armor is a memorable feature of the placoderms, especially Antiarchs.
  • The first design trend we examine here is in the orientation of the pectoral fin base, defined externally as the angle of inclination of the insertion of the pectoral fin on the body.
  • For example, it is likely that the angle of inclination of the pectoral fin base constrains the range of directions in which force may be applied on the fluid during swimming.
  • One was not a pufferfish but a frogfish that had swallowed some prey so large it was having difficulty using its silly, paddle-like pectoral fins.
  • And they have elongated pectoral fins that almost look like antennae, but the kissing gourami does not have these. NPR Topics: News
  • It sustains its leap with high-speed flapping of its oversized pectoral fins for distances of up to 100 metres.

Report a problem

Please indicate a type of error

Additional information (optional):