homocercal


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Related to homocercal: heterocercal
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homocercal
swordfish tail

ho·mo·cer·cal

 (hō′mə-sûr′kəl, hŏm′ə-)
adj.
Relating to, designating, or characterized by a tail fin having two symmetrical lobes extending from the end of the vertebral column, as in most bony fishes.
[homo- + Greek kerkos, tail + -al.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

homocercal

(ˌhəʊməʊˈsɜːkəl; ˌhɒm-)
adj
(Zoology) ichthyol of or possessing a symmetrical tail that extends beyond the end of the vertebral column, as in most bony fishes. Compare heterocercal
[C19: from homo- + Greek kerkos tail]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ho•mo•cer•cal

(ˌhoʊ məˈsɜr kəl, ˌhɒm ə-)

adj.
having an equally divided tail, characteristic of adult modern bony fishes.
[1830–40; homo- + Greek kérk(os) tail + -al1]
ho′mo•cer`cy (-ˌsɜr si) n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.homocercal - possessing a symmetrical tail that extends beyond the end of the vertebral column (as in most bony fishes)
ichthyology - the branch of zoology that studies fishes
heterocercal - possessing a tail with the upper lobe larger than the lower and with the vertebral column prolonged into the upper lobe
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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In postflexion larvae, the caudal fin had a rounded, homocercal outline with about 8 rays in each of the upper and lower lobes.
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The creature is labeled "acipactli," and translated as "a swordfish." This is obviously a translation error, as the creature is certainly shark-like and lacks the identifying rostrum and homocercal tail of the swordfish, and swordfish also lack the large triangular teeth depicted in the illustration (Castro, 2002).
Historical knowledge of sharks: ancient science, earliest American encounters, and American science, fisheries, and utilization
5) From 11 to 15 DAH: Larvae swim well and have maneuverability, dorsal end of notochord is a little bent upward, there are bony rays in homocercal caudal fin, a mass of melanophores increases on caudal fin, dorsal fin is developed from embryonic fin wrinkle.
Morphological development and growth of Bunni, Mesopotamichthys sharpeyi (Gunther, 1874), larvae reared in the laboratory

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