
fish that live their adult lives in fresh water lakes or rivers but migrate down rivers to spawn in the sea. An example are freshwater eels of genus Anguilla, whose larvae drift on the open ocean, sometimes for months or years, before travelling thousands of kilometres back to their original rivers (see eel life history). Fish that migrate in the o...
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http://en.wikipedia.org/wiki/Glossary_of_fishery_terms

migrating from fresh to salt water to spawn
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http://phrontistery.info/c.html

• (a.) Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; -- said of a mode of branching in ferns, and opposed to anadromous. • (a.) Living in fresh water, and going to the sea to spawn; -- opposed to anadromous, and said of the eel.
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http://thinkexist.com/dictionary/meaning/catadromous/

A fish that is born in salt water but migrates to fresh water where it grows to adulthood. Opposite of Anadromous. The common eel is one of the few examples.
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http://www.aquahobby.com/articles/e_glossary.php

Refers to fishes that migrate from fresh water to salt water to spawn or reproduce such as the American eel.
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http://www.encyclo.co.uk/local/21804

Living and growing in fresh water, but descending rivers to spawn in the sea. The American eel, Anguilla rostrata, is a catadromous species. (cf anadromous and diadromous)
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http://www.encyclo.co.uk/visitor-contributions.php
Ca·tad'ro·mous adjective [ Greek
kata` down +
dro`mos a running.]
1. (Botany) Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; -- said of a mode of branching in ferns, and opposed to
anadromous .
2. (...Found on
http://www.encyclo.co.uk/webster/C/34

Type: Term Pronunciation: kat′a-drō′mus Definitions: 1. Migrating from fresh water to the ocean to spawn.
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http://www.medilexicon.com/medicaldictionary.php?t=14928

(Gk: kata=down; dromos running) fish that swim down rivers to sea to spawn (eel). See also anadromous.
Found on
http://www.seafriends.org.nz/books/glossary.htm

Refers to fishes that migrate from fresh water to salt water to spawn or reproduce such as the American eel.
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http://www.stripers247.com/Fishing-Glossary.php

fish that live their adult lives in fresh water lakes or rivers but migrate down rivers to spawn in the sea. An example are freshwater eels of genus Anguilla, whose larvae drift on the open ocean, sometimes for months or years, before travelling thousands of kilometres back to their original rivers (see eel life history). Fish that migrate in the o...
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http://www.translationdirectory.com/glossaries/glossary245.php

[
adj] - migrating from fresh water to the sea to spawn
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http://www.webdictionary.co.uk/definition.php?query=catadromous

catadromous Migrating from fresh water into the ocean to spawn or fish that live in fresh water, but breed in the sea. Catadromous fish are freshwater eels of genus Anguilla, whose larvae drift on the open ocean, sometimes for months or years, before traveling thousands of kilometers back to their original streams.
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http://www.wordinfo.info/words/index/info/view_unit/388/

fish that are born in salt water, move to fresh water to feed, and return to salt water to spawn
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https://sciencetrek.org/sciencetrek/topics/salmon/glossary.cfm
adjective migrating from fresh water to the sea to spawn
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https://www.encyclo.co.uk/local/20974

describes fish that live in fresh water but migrate to salt water to breed
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https://www.encyclo.co.uk/local/21787

Fish that are born in the sea then migrate to freshwater to grow and mature.
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https://www.sustainweb.org/goodcatch/glossary_of_seafood_terms/
No exact match found.