He is a lustrous greyish blue with bright silver spots spread across his body, with a relatively sharp snout.

[4] The Arabian pupfish inhabits a wide variety of water bodies, though it prefers hard alkaline.

It is commonly encountered in coastal zones and estuaries,[6] with the greatest number observed being in mangrove forests where they hide amongst the roots and leaves of the plants in groups of hundreds.

In freshwater habitats, their main source of food is the larvae of mosquitoes, whilst smaller aquatic worms are often targeted by groups of fish.

[citation needed] These fish are threatened by water pollution, lack of food, and habitat degradation which led to noticeable declines in population densities throughout their range.

The introduction of the mosquitofish, a widespread invasive species has proven detrimental to the fish, as it outcompetes A. dispar.