River Otter Food Chain

These are in turn consumed by fish which may then be eaten by larger fish all of which are consumed by river otter.

River otter food chain. Congo clawless otters probably feed on fairly soft prey items such as small land vertebrates frogs and eggs. Meaning it eats other animals but has few predators. The river otter is opportunistic as it consumes food based on availability and will change its diet based on the biotic and. Small mammals in the river otter food chain include mice immature beavers and muskrats.

Food preferences vary among individuals. The river otter food chain also consists of mussels bivalves snails crabs crayfish turtles frogs large beetles worms injured waterfowl or chicks bird eggs fish eggs snakes and snake eggs. Crustaceans crayfish freshwater mussles amphibians birds mammals and a variety of fish species sucker fish carp minnows pike sunfish catfish perches bass based on the work by stearn serfass 2010. A north american river otter is a tertiary consumer.

As contaminants accumulate in the organic materials and sediments on the bottom of a waterway they become ingested by aquatic invertebrates such as snails mussels and insects. Sunlight plants producer insects 1st level consumer catfish 2nd level consumer. River otters can be considered opportunistic aquatic piscivorous carnivores although they consume other animal products other animal material including. River otters eat crabs fish and small vertebrates.

There is no one the food chain of the mississippi river but here s one possibility. The connection is through food. Food chains and webs sea otters sea urchins and kelp are connected. River otters are the largest in the mustelid family leaving them with few predators.