Lamprey Small 320×65 Medium 640×130 Large 1024×209 Download Tiff Original 2400×489 | (1.1 MB) Description The gills in a lamprey are situated in a number of distinct sacs or pouches which recieve water from the throat, and open externally by a number of separate openings on the side of the neck. Keywords cyclostome, hagfish, lamprey Galleries Lampreys Source: H. Alleyne Nicholson, An Introductory Text-book of Zoology(Edinburgh:William Blackwood and Sons, 1971) 124