Weekly Fish – The Four-Jawed Moray Eel (Fish Maws Part 2)

Weekly Fish – The Four-Jawed Moray Eel (Fish Maws Part 2)

Fishes are a bit unsubtle when it comes to teeth. In their various grabbing, biting, crushing and grinding exercises, many fishes employ teeth not just in their jaws, but also elsewhere, such as on the palate or their gill arches. Indeed, the gills can play an important role in moving food from the mouth down into the stomach. Many fishes have these so-called “pharyngeal jaws”, but it is only in the moray eels that they are truly worthy of the name.
Continue reading “Weekly Fish – The Four-Jawed Moray Eel (Fish Maws Part 2)”

Weekly Fish – The Gulper Eel (Fish Maws Part 1)

Weekly Fish – The Gulper Eel (Fish Maws Part 1)

Most mammals and birds have fairly straightforward mouths; two jaws with single rows of teeth (or none in most birds) and a single joint that lowers or raises the lower jaw, thus opening and closing the mouth. Fishes, however, show a truly staggering diversity in the way they use their mouths, so the coming few weekly fishes will concern fishes with distinctive ones. First up, the most gaping maw of them all. Continue reading “Weekly Fish – The Gulper Eel (Fish Maws Part 1)”