The algae thrive; the damselfish get a source of food.

They can be very aggressive as they get older, like all damselfish.

It also must not be kept with fish such as damselfish, which will be almost certainly eaten.

They look very much like damselfish; perhaps they are.

The goby and damselfish lay their eggs on the skeleton.

It should not be placed with damselfish or other small fish which will typically be eaten.

The damselfish bites off the polyps to expose the nesting site.

If a male approaches, the damselfish's chirping changes to an aggressive popping noise.

A common function for Damselfish is as a biological stabilizer in new aquariums.

Chrysiptera is a genus of damselfish in the family Pomacentridae.

Some species of damselfish are farmers, too.

Aquarists often use damselfish to biologically stabilize a new aquarium.

At this time, garibaldi and damselfish are the only fish known to engage in farming or cultivating.

Damselfish are also known to be aggressive, especially the twospot domino damsel.

It is probably the most aggressive of all Damselfish, and should be kept with fish substantially larger and more robust than itself.

As a predator it will eat any smaller aquarium inhabitants such as damselfish.

Looking back now, I try to finish the thought I was weaving around the tiny damselfish.

The researchers tested the effect of raised carbon dioxide levels in the sea on clown fish and damselfish larvae.

The cardinalfish did not seem to care, but the damselfish chose the shrimp-filled reefs.

The juvenile dusky damselfish is pearly grey with blue spots on the top of its head.

Hormones and reproductive behavior in male damselfish.

The former study found that prior establishment by a territorial damselfish reduced establishment rates of other fish.

A male damselfish can evaluate the level of the threat posed by one or more wrasse and react appropriately.

One of several species of fish in the damselfish family (Pomacentridae), especially:

Bright orange damselfish, decorated with black vertical stripes, scattered like bursting fireworks in front of me.