The Collaborative International Dictionary
Ichthyoid \Ich"thy*oid\, Ichthyoidal \Ich`thy*oid"al\, a. [Gr. ?: 'ichqy`s, -y`os, a fish + e'i^dos form.] (Zo["o]l.) Somewhat like a fish; having some of the characteristics of fishes; -- said of some amphibians.
Wiktionary
a. Characteristic of fish n. Any fish, or other vertebrate having the form of a fish
Usage examples of "ichthyoid".
The tentacles of the ichthyoid were specialized for large-scale manipulation, those of the arachnoid for minute work.
While every healthy arachnoid longed to take part in the adventurous new life, he or she longed also, through sheer affection and symbiotic entanglement, to assist his or her ichthyoid mate to have an equal share in that life.
And once the Lemm are driven off, I would imagine the ichthyoids would be happy to form an alliance with their saviors.
Some of these, such as the insectoids of Procyon II, who had no interest in the affairs of other races, or the ichthyoids of Gamma Leporis IV, who bore Man no ill will, were not invited to the conference.