Page 116 - Invasive_Species_2013

Mediterranean invasive species factsheet

FISHES

Reproduction Common name: Redcoat or Red
Squirrelfish

Large eyes
identification

Scientific Name:
Sargocentron rubrum
Picture

Key identifying features
Brief history
This medium-sized fish can reach lengths of up to 32
cm, commonly 12–25 cm. The body is ovate and Venomous spine Red and white stripes with
scales very rough
moderately compressed with large eyes and very Anal fin with 4
strong spines
rough skin with hard scales. The first dorsal fin has 11
spines and 12–14 soft rays, the last spines being the
shortest. It is red with white tips. The anal fin (4 spines;
8–10 soft rays) is red with a white front edge and lies
usually found in rocky areas and protected habitats
below the posterior, soft ray part of the dorsal fin.
such as bays and lagoons at depths of 10–40 m. It is
The body is covered with alternate brownish red and a nocturnal species, and spends most of the daylight
silvery white stripes of equal width. The tail fin is hours in the shade of rock crevices, usually in areas
deeply forked and its leading edge is red. The head subject to strong currents. It schools in small groups
is slightly convex in profile and covered with bones in many cases but is also found singly. It feeds
bearing grooves, ridges and spinules. There is a mainly on benthic crabs and shrimps, but also preys
stout, venomous spine on its cheek, and 1–2 spines on small fishes.
level with the eye.
Reproduction
Field identification signs and habitat Reproductive season in the Mediterranean Levant
The redcoat squirrelfish is a shallow-water species lasts from July to August.

Sargocentron rubrum. Photo: M. Draman

Monitoring Marine Invasive Species in Mediterranean MPAs: A strategy and practical guide for managers 113