Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic
family within theorder Petromyzontiformes — thelampreys .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Most arctic diadromous species are actually anadromous (i.e., use estuarine and/or marine environments for feeding and rearing; and freshwater environments for spawning, early life history, and, in the case of most arctic species, overwintering); only freshwater eels (Anguillidae) and some lampreys (Petromyzontidae) are catadromous (i.e., breed at sea and rear in freshwater).
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About 30 species within the arctic regions belonging to the families Petromyzontidae, Acipenseridae, Anguillidae, Clupeidae, Osmeridae, Salmonidae, and Gasterosteidae exhibit diadromous behavior (i.e., spend part of their lives in the marine environment and migrate to freshwater to spawn, or the converse).
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Family Petromyzontidae sea lamprey, Petromyzon marinus
Trout and Salmon of North America Robert J. Behnke 2002
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Family Petromyzontidae sea lamprey, Petromyzon marinus
Trout and Salmon of North America Robert J. Behnke 2002
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Family Petromyzontidae sea lamprey, Petromyzon marinus
Trout and Salmon of North America Robert J. Behnke 2002
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Family Petromyzontidae sea lamprey, Petromyzon marinus
Trout and Salmon of North America Robert J. Behnke 2002
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