An example of a fish niche factor is habit.
If you mean a neish factor, which is unlikely but I thought I should put all answers on just in case, is to do with neishes.
A neish is a type of common household pest (latin name Fungus Keish). It is generally found in Scotland, and nibbles through materials as diverse as books to Bagpipes!
However, you probably mean the first one!
niche factor
fish
yeahbuddy
water
eaten by fish is that a habitat and niche
it will eat a fish
It eats fish
bobby floby
bobby floby
The seahorses niche is said to be secondary consumers classified as predatory fish. They eat small fish and are commonly found in marine habitats
Dolphins like fish. Any niche dealing with a fish will likely be welcomed by dolphins. They also welcome niches dealing with water.
fish ect.