摘要：A total of 185,026 fish individuals representing 101 shallow-water species belonging to 38 families were counted in the present survey. The most abundant species during this surveys was Atherinom orus iacunosus-Yobust silverside with (RA42.7%), followed by D iplodus noct-R ed Sea bream (RA13.5% ), Neopom acentrus M iry's demoiselle (RA10.2% ), H erklotsichthys uaJr/macu/atus-bluestripe herring (RA=8.6%), Caesio suevica- Suez fusilier (RA2.5%) and M ul- loidichthys flavo lin ea tu s yeW ow-stxipe goatfish (RA2.4%). These six species represent about 80% of the total fish population. Whereas, the most common species were A rothron whitespotted puffer (FA60.0%), followed by A. lacuno- sus (FA=54.8% ) ， Thalassoma ru e p p e llii Klunzinger's wrasse (FA=51.3%) and cubicus yellow boxfish (FA50.4%). The Lagoon is an important part of the coast in terms of fisheries. It acts as a new fish source that will increase the stock of the commercial species in general and Scarus ghobban ，Siganus rivu latu s ，A t. lacunosus， H . quadrim aculatus, Lethrinus variegatus， Pomadasys stridens, Scolopsis ghanam and L u tja - nus kasm ira, in particular. Coral reef fish species， especially butterfly fishes，angelfishes and damselfishes have entered the lagoon and started to colonize. The Lagoons are expected to increase the fish stock through colonization and recruits since the Lagoons are considered protected areas，at least from fishing. Therefore，Ayla lagoons act as fish stock enhancements and may contribute tofish biodiversity.
关键词：Artificial lagoon;fish assemblages;Gulf of Aqaba;Red Sea
