adj. [L. contra, against; natare, to swim]Swimming or migrating against the current; see denatant.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Look at other dictionaries:
contranatant — /kon trə nāˈtənt/ adjective Swimming upstream ORIGIN: L contrā, and natāns, antis, prp of natāre to swim … Useful english dictionary
contranatant — swimming or migrating against the current; movement of adults towards the spawning area. Opposite of denatant … Dictionary of ichthyology
denatant — swimming, drifting or migrating with the current. Movement of eggs and larvae away from the spawning area. Opposite of contranatant, q.v … Dictionary of ichthyology
denatant — adj. [L. de, away from; natare, to swim] Swimming, drifting or migrating with the current; see contranatant … Dictionary of invertebrate zoology
con|tra|na|tant — «KON truh NAY tuhnt», adjective. swimming against the current: »contranatant migrations of fish … Useful english dictionary