homocercal

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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.]

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]

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.
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