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Squirrelfishes & Soldierfishes

Longspine Squirrelfish

Holocentrus rufus

Longspine Squirrelfish (Holocentrus rufus)

Species Overview

Slender, bright red or red-striped squirrelfish, sometimes blotched; a conspicuous white spot behind the tip of each dorsal spine; dorsal 11 spines/14–16 soft rays, anal 4 spines/9–11 soft rays.

Size
Common 25 cm TL (10 in); max recorded 35 cm TL (14 in) (FishBase); ReefGuide 12–25 cm (5–10 in).
Depth range
0–32 m (FishBase); ReefGuide 1–30 m.
Habitat
Clear reefs, near mouths of caves and holes; feeds over sand and grass beds at night.
Diet
Crabs, shrimps, gastropods and brittle stars.
Range
Throughout the Caribbean, Bahamas, Florida, Bermuda, Gulf and Brazil; Bermuda and southern Florida to Brazil.

Ecological role

Nocturnal predator of small benthic invertebrates.

Explore reef conservation

Learn about Caribbean reef habitats, invasive lionfish and the work of the Caribbean Reef Fish Foundation.

TL means total length; SL excludes the tail fin; FL measures to the tail fork. These measurements are not interchangeable.