Reptiles

Spectacled caiman

Caiman crocodilus

A spectacled caiman with a bony ridge between its eyes lying in shallow water among vegetation

Photo: Berrucomons · CC BY-SA 3.0 · via Wikimedia Commons

Where
Estuaries, Further afield
When
Any time, most active at night
Size
Commonly 1.5 to 2 metres, rarely over 2.5
Should I worry
Keep your distance
Not a serious danger to adults, but a real one to dogs and a reason to keep small children back from pond edges.

Every pond, ditch and estuary on this coast can have a pair of eyes in it, and most of the time they belong to this animal rather than the crocodile. That is better news, but not an invitation.

Where you’ll see it

Mangroves, estuaries, farm ponds, wetlands and the slow reaches of rivers. Palo Verde has enormous numbers. Any brackish or still water can hold one.

What to know

Caimans eat fish, frogs, crabs and small animals, and the ones on this coast rarely exceed two metres. They are not the threat to people that a big crocodile is. They are a threat to a dog at the water’s edge, and a large one is nothing to test with a child. The rules are the same as for the crocodile, scaled down: do not swim in still or brackish water, keep pets back, and never feed one.

Questions people ask about this one

How do I tell a caiman from a crocodile?

Size and head. Caimans are smaller, with a broader, shorter snout and a bony ridge across the face between the eyes, like the bridge of a pair of glasses. American crocodiles are longer, with a narrow tapering snout and no ridge. In doubt, treat it as a crocodile.

Wondering what else is out there?

Ask me on the call. I'll tell you what actually shows up in a Coco garden, what to do about it, and the one guy everyone rings when there's a boa in the roof.

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