Resembling or having characteristics similar to a coelacanth fish.
From coelacanth plus the Greek suffix -oid meaning 'resembling' or 'having the form of,' a pattern common in biological descriptions.
The -oid suffix is biology's way of saying 'looks like but isn't exactly'—similar to how humanoid means 'human-like' but not actually human, coelacanthoid describes other fish that share the coelacanth's distinctive features.
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