Freshwater Fish

Front

What percentage of salinity must be less than to be considered freshwater?

Back

1.05%

Front

What are Osteichthyes?

Back

Bony fish

Front

What are Chondrichthyes?

Back

Cartilaginous fish

Front

What is a defining characteristic of the Phylum Chordata?

Back

Dorsal nerve chord

Front

Why is there such a high diversity of freshwater fish?

Back

Scattered habitats

Front

What is the primary difference between bony fish and cartilaginous fish?

Back

Bony fish have a skeleton made of bone, while cartilaginous fish have a skeleton made of cartilage.

Front

Name an example of a freshwater fish.

Back

Trout

Front

What is the role of freshwater ecosystems in biodiversity?

Back

They provide diverse habitats that support a wide range of species.

Front

How do temperature levels affect freshwater fish populations?

Back

Different species thrive at different temperature ranges, influencing their distribution.

Front

What adaptations do freshwater fish have for living in low salinity environments?

Back

They have specialized osmoregulatory systems to maintain fluid balance.