part of start stage end stage head sensory canal system supraorbital sensory canal Sensory canal contained in the nasal and frontal bones. It contains 4 or 5 neuromast. The first neuromast is positioned in the tubular nasal bone and the other neuromasts are located in the frontal bone. The canal is anterior to and in close proximity to the otic and infraorbital sensory canals. The supraorbital sensory canal is bilaterally paired. ZFA:0005396 Ceri TAO:0001810 2010-04-23T02:00:48Z zebrafish_anatomy sensory canal larval:days 21-29 adult