Bothragonus swanii
| Bothragonus swanii | |
|---|---|
| A rockhead on top of a rock scallop at the Oregon Coast Aquarium. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Suborder: | Cottoidei |
| Family: | Agonidae |
| Genus: | Bothragonus |
| Species: | B. swanii
|
| Binomial name | |
| Bothragonus swanii (Steindachner, 1876)
| |
| Synonyms | |
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Bothragonus swanii, the rockhead, deep-pitted poacher or deep-pitted sea-poacher, is a species of fish in the family Agonidae. It was described by Franz Steindachner in 1876, originally in the genus Hypsagonus. It is found in the eastern Pacific Ocean from Alaska to Carmel Bay, California down to depths of 18 metres. It can also inhabit the intertidal zone. Males can reach a maximum total length of 8.9 centimetres.