Smal ones..
Estuaries
They allow sunlight to reach the benthos to power photosynthesis.
In shallow, slow moving rivers, estuaries, saltwater bays, canals and costal areas
The common snapping turtle is a freshwater species of amphibian. Typically, these turtles dwell in areas like shallow ponds, shallow lakes, streams and rarely estuaries.
by growing shallow roots
"The sediment deposited by the Nile River has formed a wide delta at its mouth.""Sediment can eventually fill up shallow mountain lakes until they become meadows."(metaphorically) "That bottom drawer is stuffed with the sediment of my school days."(humorously) "The new geologist on our team just showed me a lovely sediment."
conglomerate
Seahorses can be found in shallow tropical and temperate waters around the world. They shelter in sea grass beds, coral reefs, estuaries, or mangroves.
Continental rise is what occurs where continental slope levels off and sediment accumulates. Continental rise can be shallow or deep and can occur at any level.
A kettle lake is a shallow, sediment-filled body of water formed by retreating glaciers or draining flood-waters.
Possible Answer: The pond will be begin filling due to the absence of fish. Sediment will fill the pond; Shallow areas will begin filling and plants will slowly begin growing closer to the center of the pond. What is left of the pond will become wetland or marsh or a swamp.
Weathering, Erosion, and Masswasting.