pectoral fin造句
1. In its dorsal and pectoral fins this fish has spines equipped with venom glands.
2. The prehensile pectoral fins actually grasp the weed as the fish moves about.
3. Their pectoral fins have been turned to yet more purposes.
4. The caudal, dorsal and pectoral fins are marked with darker stripes.
5. The pectoral fins are now of little use, though the fish still retains them.
6. A prominent blackish area behind the pectoral fin bases.
7. The first pectoral fin ray of the male is somewhat thicker than that of female.
8. The asymmetry of pectoral fin length and pectoral fin ray number met the criteria of ideal fluctuating asymmetry in both sexes.
9. Or at least pectoral fin . But tetrapods, which evolved from fish, did.
10. The pectoral fin motion model and the hydrodynamic performance's data which we obtained in this thesis are useful for our future design work.
11. The ups and downs experiment proves that the pectoral fin on different angle influences the fish to move ups and downs.
12. When excited or scared, a white streak appears on the sides, extending backwards from the pectoral fins.
13. The two spines are the first rays of each pectoral fin.
14. It sustains its leap with high-speed flapping of its oversized pectoral fins for distances of up to 100 metres.
15. Although flying fish leap out of the water they do not porpoise but glide, using their pectoral fins as aerodynamic surfaces.
16. See their gills distend with the movement and the flurry of pectoral fins that give the subtle shunting manoeuvre.
17. Male anemonefish frequently visits the nest to fan the eggs with his pectoral fin and to remove dead eggs and debris with his mouth.
18. Dorsal fin , tail fin and fat fins slightly yellow, pectoral fin , and ventral fin Tunqi gray.
19. 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.
20. The bones of the forearm displayed proportions reminiscent of the pectoral fin of Eusthenopteron.
21. The regression tests in which separated bacteria were injected in the bottom of pectoral fin were all presented with symptoms similar to the natural incidence.
22. One reason they thought that is because a fossilized skeleton of an ancient fish didn't appear to have any fingers. Or at least any distinct digits in its pectoral fin.