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Longjaw Mudsucker

Gillichthys mirabilis (species)

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The longjaw mudsucker Gillichthys mirabilis is a goby (Gobiidae) of the Pacific Ocean coast of California and Baja California, noted for its extremely large mouth and ability to survive out of water for short periods. As the common name suggests, the upper jaw is extremely long, reaching nearly to the opercular opening. The head is broad and flat, with the eyes placed close to the top (but still widely spaced). Overall color is a dark brown to olive on the upper parts, and yellowish below; a faint pattern of vertical bars may be visible, and are prominent in juveniles. The first dorsal fin is relatively small, with 4-8 spines, while the second dorsal fin is larger, with 10-17 rays. The pectoral fins are broad and rounded, with from 15 to 23 rays. They can reach lengths of 21 cm. These…

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