Brachyistius frenatus
| Brachyistius frenatus | ||||||||||||
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Brachyistius frenatus |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Brachyistius frenatus | ||||||||||||
| Gill , 1862 | ||||||||||||
Brachyistius frenatus is a fish from the surf perchfamily(Embiotocidae). It lives on the coasts of the eastern Pacific from British Columbia to central Baja California and the island of Guadalupe . The fish live in the kelp forests , never move far from them and stay mainly in shallow water up to a depth of 30 meters. They feed on small crustaceans, which they mainly pick from seaweed. They also clean other fish and eat their parasites in the process . In summer they form large schools.
features
Brachyistius frenatus becomes 22 cm long. Its color is variable, olive brown or golden brown, often similar to the color of the kelp. Above the lateral line organ , they are darker or copper in color, sometimes with small blue dots. Below the sideline, the animals are lighter and often a little reddish. An irregular, light stripe often runs along the flanks. The fins are translucent and shimmering pink. The front part of the anal fin is darker. The top of the pectoral fin base is usually speckled with small black dots.
The mouth is slightly upper constant , concave head above the eyes. The dorsal fin is short, the distance between the end of the dorsal fin and the caudal fin is large. The highest hard rays of the dorsal fin are just as long as the soft rays.
Fin formula : dorsal VII – IX / 13–16, anal III / 21–24
literature
- Eschmeyer, Herald, Hamann: Pacific Coast Fishes , Peterson Field Guides, ISBN 0-395-33188-9
Web links
- Brachyistius frenatus on Fishbase.org (English)