Fin's Fish Guide
The Rock prickleback (Xiphister mucosus) is a saltwater fish of the family Stichaeidae that grows up to 58 cm.
Description
The rock prickleback is an eel-like blenny relative (Stichaeidae) from the tidal zone of the northeast Pacific, off the west coast of North America. The species grows to about 58 cm and has a strongly elongate, dark-brown, eel-like body with a long, low dorsal fin of stiff spines and a smooth, slimy skin. As a bottom-dweller it shelters under stones and weed of rocky shores and tide pools and eats mainly algae and small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Rock prickleback?
The Rock prickleback has a snake-like body and is mainly brown.
Where does the Rock prickleback live?
The Rock prickleback lives in the sea (marine waters) and is mostly found around sand or mud bottom. North America: Canada, USA, Alaska
How big does the Rock prickleback get?
The Rock prickleback grows to a maximum of about 58 cm.
Is the Rock prickleback dangerous to humans?
No, the Rock prickleback is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Want the complete picture on the Rock prickleback?
Point your camera at the fish and Fin names the species in seconds. Free, and the Rock prickleback is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Xiphister
More from the family Stichaeidae
Want the complete picture on the Rock prickleback?
Point your camera at the fish and Fin names the species in seconds. Free, and the Rock prickleback is one of 12,519 species in the app.