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Most sea fish have sharp teeth and most river fish have no teeth
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoRiver fish 'breathes' fresh water and sea fish 'breath' salt water. Most sea fish have sharp teeth and not a lot of river fish have sharp teeth, other than the Amazon river. Hope this helped.
Wiki User
∙ 14y agoriver fishes are fresh water fish they cannot live in salt water
Wiki User
∙ 10y agoThe main difference between a lake trout and a sea trout is simply the difference in habitat. Lake trout are found in fresh water while sea trout are found in salty water.
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What are the differences between a sea squirt and fish?
Fish are ectothermic and sea squirt is not
What is the difference between star fish and sea stars?
There is no difference. It is just different names.
Is there such thing as sea fish?
Yes there are lots of different species of fish that live in the sea.
Can sea fish swim in rivers?
No they can't because they need to have salt in the water. So no sea fish cannot swim in the river.
Which River is between Ireland and United kingdoom?
The Irish Sea and the Celtic Sea lie between Britain and Ireland, not a river.
Is the relationship between the clown fish and sea anemone a symbiocis relationship?
is the relationship between the clown fish and sea anemone
Which Indian fish migrates from sea up river to breed?
Hilsa
What is definition of saltwater fish?
Saltwater fish have a natural habitat in the sea. Whereas, freshwater fish has a habitat in a river or a lake.
What is the difference between goldfish and fish in the sea?
Goldfish are freshwater pond fish, fish in the sea live in salt water.
What is the zone between a river and the sea?
Estuary.
Which body of water does the Thames river run into?
The River Thames flows into the North Sea between the Counties of Kent and Essex.
Does Indian hilsa fish go back to sea after spawning in the river?
life circle of Indian hilsa fish
