Craterocephalus eyresii
From Wikipedia, the free encyclopedia
| Craterocephalus eyresii | |
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Atheriniformes |
| Family: | Atherinidae |
| Genus: | Craterocephalus |
| Species: | C. eyresii |
| Binomial name | |
| Craterocephalus eyresii (Steindachner, 1883 | |
| Synonyms[1] | |
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Craterocephalus eyresii, the Lake Eyre hardyhead, is a species of freshwater silverside from the family Atherinidae which is endemic to the Lake Eyre basin in Australia.
Craterocephalus eyresii is a small, drab yellowish-grey coloured fish with greenish-silvery underside, transparent yellowish fins, and dark melanpophores around a silver mid-lateral stripe. There are two dorsal fins which are widely separated with the first dorsal fin originating before the tips of the ventral fins and the anal fin origin lies directly underneath the origin of second dorsal fin. The caudal fin is forked. The fins are yellowish in colour.[2] It attains a maximum total length of 10 centimetres (3.9 in).[1]
Distribution
Craterocephalus eyresii is endemic to Lake Eyre and rivers to the south and west of it in South Australia. It also occurs in Lake Frome and its drainage basin in the northern Flinders Ranges as well as Lake Torrens and its tributaries.[2]