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Related to ganoid: ganoid fish, Ganoid Scales


1. Relating to or being a kind of fish scale that is hard and bony with a shiny surface composed of an enamel-like substance.
2. Having ganoid scales.
A fish having ganoid scales, such as a gar or sturgeon.

[From New Latin Ganoideī, former subclass name, from Greek ganos, brightness, gladness (in reference to the shiny scales of the fish included in the subclass), from ganusthai, to rejoice; see gāu- in Indo-European roots.]
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.


1. (Zoology) (of the scales of certain fishes) consisting of an inner bony layer and an outer layer of an enamel-like substance (ganoin)
2. (Zoology) denoting fishes, including the sturgeon and bowfin, having such scales
(Zoology) a ganoid fish
[C19: from French ganoïde, from Greek ganos brightness + -oid]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈgæn ɔɪd)

1. of or pertaining to a group of mostly extinct archaic fishes characterized by bony enamellike scales: living representatives include the bowfins, gars, and sturgeons.
2. a ganoid fish.
[1830–40; < French ganoïde < Greek gán(os) brightness + -oïde -oid]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ganoid - primitive fishes having thick bony scales with a shiny coveringganoid - primitive fishes having thick bony scales with a shiny covering
teleost, teleost fish, teleostan - a bony fish of the subclass Teleostei
Ganoidei, order Ganoidei - a group of mostly extinct primitive bony fishes characterized by armor-like bony scales
Amia calva, bowfin, dogfish, grindle - primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
duckbill, paddlefish, Polyodon spathula - primitive fish of the Mississippi valley having a long paddle-shaped snout
Chinese paddlefish, Psephurus gladis - fish of larger rivers of China similar to the Mississippi paddlefish
sturgeon - large primitive fishes valued for their flesh and roe; widely distributed in the North Temperate Zone
billfish, gar, garfish, garpike, Lepisosteus osseus - primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
In a few minutes the huge beast had been cut up and slabs of him were hanging over a dozen camp fires, together with great scaly ganoid fish which had been speared in the lake.
And it is in fresh water that we find seven genera of Ganoid fishes, remnants of a once preponderant order: and in fresh water we find some of the most anomalous forms now known in the world, as the Ornithorhynchus and Lepidosiren, which, like fossils, connect to a certain extent orders now widely separated in the natural scale.
Ray-finned fish remains from Lano include mainly ganoid scales, vertebrae and some bones and teeth.