Also found in: Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.


The fish of a particular region.

ich′thy·o·fau′nal adj.


n, pl ichthyofaunas or ichthyofaunae
(Biology) biology the fish of a specific region


(ˌɪk θi əˈfɔ nə)

n., pl. -nas, -nae (-ni)
(used with a sing. or pl. v.) the indigenous fishes of a region or habitat.
Mentioned in ?
References in periodicals archive ?
2005) examined geographic patterns of demersal ichthyofauna in the Aleutian Islands and found that smaller Pacific ocean perch ([less than or equal to] 25 cm, Reuter (2)) inhabited shallower water (<150 m) than that inhabited by larger individuals, and they further suggested that large catches (>100 kg/ha) could be affiliated with zones of increased productivity and prey availability.
Knowledge of the ichthyofauna of the region greatly increased after 1944 when Carl L.
The resulting paper (Evermann and Rutter, 1895) is a useful compendium of what was known to that time about the taxonomy and ecology of the unique fish fauna of the Colorado River, an environment whose ichthyofauna has greatly changed over the past century owing to a series of major dams and the widespread introduction of dozens of exotic fish species (Minckley, 1973; Minckley and Deacon, 1991).
A distinguishing feature of the ichthyofauna of this region is the relative high degree of conservatism of external morphology in spite of substantial genetic divergence (Hrbek and Meyer 2003; Teimori et al.
Prior to the 1960s Lake Victoria basin was the home of unique and expansive ichthyofauna such as Haplochromines, Labeo victoriarus Boulenger, Brycinus spp, Barbus spp, Momyrus spp and synodontis spp that formed a special delicacy to the people of its shores.
The ichthyofauna and aquatic habitats of the Rio Grande from the New MexicoTexas border to Big Bend National Park.
The ichthyofauna of Harmon and Wynne creeks sampled within the Center for Biological Field Studies, Walker County, Texas.
While mammalian, plant and insect remains from the Stewart Valley sediments have been extensively studied, the ichthyofauna has been neglected.
Several other state native fishes have been discovered since Smith's (1979) comprehensive summary of the state's ichthyofauna.
Recent studies of the ichthyofauna and other fossils (conodonts, miospores) in the Baltic area and Belarus show some controversy concerning the position of the Emsian/Eifelian boundary.
1997), which is a common inhabitant of the waters just seaward of the dam and has been found in ichthyofauna surveys of Capitol Lake (Herrera Environmental Consultants 2004).