Sentence examples for spawning migration from inspiring English sources

The giant catfish undertake a long spawning migration, and on our three-week trip we'll be tracing their path in reverse.

Leaping is an indispensable part of the upstream spawning migration of a fish species.

We used fish size and leap distance to the margin as indicative of fine-scale spawning migration routes following the river banks vs. midchannel.

This paper presents results pointing to the likelihood that this shift is due to a change in the timing of the spawning migration to the southern area of the Northeast Atlantic mackerel population.

During the past four decades, the GLFC recognized a greater need to maintain current barriers to sea lamprey spawning migration and develop new, less intrusive devices to enhance the integrated sea lamprey control program.

spawning migration).

In addition to spawning migrations, some species travel long distances for feeding.

Much of the river remains wild, with kingfishers, otters and herons hunting along the banks, and wild salmon and freshwater eels navigating the currents on their spawning migrations.

To assess use of natural and artificial waterways for spawning migrations, we monitored adult migrations and young-of-year production of northern pike (Esox lucius) for two years in six adjacent tributaries of southern Green Bay on Lake Michigan, USA.

The fine-scale routes (i.e., banks vs. midchannel) of cyprinid spawning migrations in generally turbid rivers are largely unknown, contrary to other taxa such as salmonids, shads, and eels.

In addition, preliminary research has shown spawning migrations may also be occurring both earlier and later in the winter than previously thought.