ammocoete


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ammocoete

the larva of a lamprey. It feeds by ciliary action similar to AMPHIOXUS.
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Distribution, larval stage duration and growth of the sea lamprey ammocoetes, Petromyzon marinus L., in a highly modified river basin.
unicuspis), and 41 Ichthyomyzon ammocoetes. The brook lampreys are non-parasitic and do not feed as adults, so most if not all parasitism on fish in this system is due to chestnut lampreys.
No marked difference exists between the frequencies of right and left sides at the individual level (ammocoetes: 41 to 45 observations each for six specimens, with 134 total right-side down, 125 total left; lancelet adults: 18 to 31 observations each for four individuals, with 42 right and 59 left; Gislen, 1930).
Basin-scale patterns in the drift of embryonic and larval fishes and lamprey ammocoetes in two coastal rivers.
The adults die after having laid some 270 000 eggs, and the newly hatched lamprey, which are called ammocoetes, feed on detritus in a slow moving part of the river for several years before transforming into the adult lamprey.
gagei, but these two records were ammocoetes (UWZM 9981, 9982), and from our examination cannot be identified to species with certainty.
Morphological diagnosis of Entosphenus and Lampetra ammocoetes (Petromyzontidae) in Washington, Oregon, and California.