It’s a fish eat fish world

A Crocodile Needlefish attempts to eat a Hawaiian White-Spotted Toby

I know this fish as a Crocodile Needlefish (Tylosurus crocodilus), a name explained by looking at the jaws and teeth. Elsewhere, it’s known as a Houndfish. When I first saw it, I thought it might have a bit of fishing gear hooked into its mouth. It was working its jaws up and down, as if it might be trying to dislodge something. But when I got closer, I saw it had a fish in it’s mouth.

The unlucky fish looks like a toby, probably an Hawaiian White-spotted Toby. Except the unlucky fish might be the needlefish because the toby has clearly inflated itself, as they do. Not only that, but the skin of these tobies is highly toxic. My fish book tells of a diver who found a frogfish with one of these tobies inflated in its mouth. The frogfish was dead, though whether suffocated or poisoned he couldn’t tell. He freed the toby, which swam away none the worse for wear!

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