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Cottus asper
Black spot on first dorsal fin, body covered with varying number of prickles- there are several geographical races of this species, with the coastal form (pictured here) having no prickles; single pore underneath front of lower jaw. To 30 cm (12 inches) total length.
Found in freshwater, estuarine, and occasionally marine environments. The coastal form is often found in river estuaries, typically in shallow water over sandy substrates.
Incidentally caught (and released) in the Fraser River estuary while fishing for salmonids. Size: 18 cm
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