tetra

Aquarium's bright swimmer

Tetra is a small, brightly colored freshwater fish popular in home aquariums.

Native to South American rivers, tetras like neon tetras and cardinal tetras are known for their iridescent stripes and schooling behavior: The tank was filled with a shimmering school of tetras.

As a prefix, tetra- means four: tetrahedron, tetrapod.

coloration

iridescent

Showing shifting spectral colors

  • bluePrimary color; also sad
  • redPrimary color, warm
  • silverLustrous white precious metal

translucent · glowing · fluorescent · bright · reflective

aquarium

tank

Large storage vessel

aquascaping · substrate · community · plants · driftwood · lighting · thermometer · aquarist · blackwater · tannins

fish

neon

Inert illuminating element

diamond · penguin · flame · silvertip · schooling · shoaling · peaceful · small

prefix

tetrachord

Four notes within fourth

geometry · chemistry · nomenclature

Categories
Opposites
aquarium fish type

tetragoldfish

Small orange pet carp

koi · cichlid · betta · piranha · saltwater fish

numerical prefix

tetramono

Single, as prefix

uni · bi · tri · poly · multi

Phrases
Family

tetragrammaton, tetrad, tetralogy, tetras, tetrapod, tetrahedron, tetrapods, tetracycline, tetrahedral

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G