| Northern spearnose poacher | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Division: | Teleostei |
| Order: | Perciformes |
| Suborder: | Cottoidei |
| Family: | Agonidae |
| Genus: | Agonopsis |
| Species: | A. vulsa |
| Binomial name | |
| Agonopsis vulsa (D. S. Jordan & C. H. Gilbert, 1880) | |
| Synonyms | |
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The northern spearnose poacher (Agonopsis vulsa), also known as the window-tailed sea-poacher or the windowtail poacher, is a fish in the family Agonidae. It was described by David Starr Jordan and Charles Henry Gilbert in 1880, originally under the genus Agonus. It is a marine, temperate water-dwelling fish which is known from the eastern Pacific Ocean, including southeastern Alaska to southern California, USA. It dwells at a depth range of 0 to 163 metres (0 to 535 ft). Males can reach a maximum total length of 20 centimetres (7.9 in).
The northern spearnose poacher is sometimes used as a public aquarium fish.