Saturday, January 23, 2016

Scrawled filefish

This year, we are encountering many more scrawled filefish than in previous seasons here in Bonaire.  This species is graceful as it swims using its dorsal and anal fins.  Their colors range from pale gray to olive-brown, with blue stripes and black spots.  They can quickly darken or become lighter.  Their file (a modified spine from the first dorsal fin) is often folded flat, but it can be erected to maneuever or possibly to communicate with species-mates.  The species reaches 3 feet in length, but these fish were about 16 inches long.  Photos were taken between 25 and 35 feet.  The first 4 photos were taken at 35 feet, and the coloration was appropriate for the environment.  The last 2 photos were taken in shallower water, and reflect a better choice of camouflage for that shallow-water habitat.




The tail is often folded as they swim.

The file is up.

The file is up and the tail is expanded.

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