ichthyo-, ichthy-, -ichth- +

(Greek: fish)

Many fishes are arranged to form a big fish representing ichthyology.
An extinct fishlike marine reptile of the order Ichthyosauria of the Triassic to the Cretaceous periods.
An order of highly specialized marine reptiles in the subclass Diapsida, characterized by an elongated snout and a fish-shaped body, and generally very fishlike; some authorities group them in a separate subclass, Ichthyopterygia, because of their great divergence from the basic reptilian pattern; Middle Triassic to Cretaceous.
A description of a prehistoric reptile with a long snout and paddle-shaped limbs that lived in the sea during the Mesozoic era.
Ichthyosaurus, Ichthyosaurous
A “fish reptile” which was a dolphin-like reptile believed to have been in what is now England, Germany, Greenland, and Alberta, Canada during the Early Jurassic to the early Cretaceous periods. It was not a dinosaur but another type of extinct reptile.
1. A keratinization disorder identified by dryness and noninflammatory fishskin-like scaling of the skin.
2. A disease that causes the skin to become dry, thick, and scaly.
A dissector or anatomist of fishes.
The dissection of fish.
The study of natural toxins produced by fish, their cause, detection, and effects, and the treatment of conditions produced by them.
ichthyotoxin, ichthyotoxism
Any natural toxin or poison that is produced by fish.
The taxidermy or stuffing (mounting) of the skins of fishes as zoological specimens or as trophies for those who catch fish to hang up on their walls.
seborrhea ichthyosis (s) (noun), seborrhea ichthyoses (pl)
A variety of seborrhea characterized by the formation of large, platelike (fishlike) crusts: Arthur was surprised when he noticed the development of big and dry layers on his skin, which the doctor later described as seborrhea ichthyosis.
Bellows fishes; shrimpfishes; cornetfishes; pipefishes; small order of chiefly tropical marine fishes of varied and bizarre form all having a small mouth at the end of a drawn-out tubular snout.
Troglichthys rosae (s) (noun) (no known plural)
A cave fish: The species of Troglichthys rose live in underground chambers and are recognizable by their distinctive pinkish color.

The Troglichthys rose, like other fish in grottos, has a row of pressure sensors along each side of its body which enables it to detect other animals several yards away.

Other "fish" units: pisci-, Iktho Fish Story.