- heterocercal caudal fin
- IZoologyசமச்சீரற்ற வால் துடுப்புIIFisheriesஒவ்வா வால் துடுப்பு, இணையிலா வால் துடுப்பு, வால் துடுப்பின் மேல் பாகமும், கீழ்ப்பாகமும் மாறுபட்டிருப்பது.
English-Tamil dictionary. 2014.
heterocercal caudal fin
Look at other dictionaries:
caudal fin — noun the tail of fishes and some other aquatic vertebrates • Syn: ↑tail fin • Hypernyms: ↑fin • Hyponyms: ↑heterocercal fin, ↑homocercal fin • Part Holonyms: ↑ … Useful english dictionary
heterocercal — /hɛtəroʊˈsɜkəl/ (say hetuhroh serkuhl) adjective 1. having an asymmetrical tail or caudal fin, the backbone running into a much larger upper lobe, as in sharks. 2. denoting such a tail or caudal fin. Compare homocercal. {hetero + Greek kerkos… …
heterocercal fin — noun a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks • Ant: ↑homocercal fin • Hypernyms: ↑tail fin, ↑caudal fin … Useful english dictionary
heterocercal — the type of tail fin in which the vertebral column turns upwards into the upper lobe which is longer than the lower. Asymmetrical externally as well as internally, e.g. Elasmobranchii, Acipenseridae, Polyodontidae and in many larval Teleostomi.… … Dictionary of ichthyology
abbreviate heterocercal — type of caudal fin in which the vertebral column extends only a short way into the upper lobe of the fin (which is longer than the lower lobe); a heterocercal caudal fin approaching the homocercal type, e.g. Lepisosteidae, Amiidae … Dictionary of ichthyology
tail fin — noun 1. a stabilizer that is part of the vertical tail structure of an airplane • Syn: ↑vertical stabilizer, ↑vertical stabiliser, ↑vertical fin, ↑tailfin • Hypernyms: ↑stabilizer • Part Holonyms: ↑ … Useful english dictionary
homocercal fin — noun symmetrical tail fin extending beyond the end of the vertebral column as in most bony fishes • Ant: ↑heterocercal fin • Hypernyms: ↑tail fin, ↑caudal fin … Useful english dictionary
Shark — Taxobox name = Shark fossil range = Late Devonian Recent image width = 250px image caption = Grey reef shark, Carcharhinus amblyrhynchos regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Chondrichthyes subclassis =… … Wikipedia
fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with … Universalium
Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… … Universalium
Fish anatomy — The anatomy of fish is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved oxygen, and absorbs light more than air does. Body (1) operculum (gill cover), (2)… … Wikipedia
