Blackfin Squirrelfish (Holocentrus blackfin)

Fish in the family Holocentridae. Moderate care. Reef Safe with Caution.

Blackfin Squirrelfish

Quick facts

Scientific nameHolocentrus blackfin
FamilyHolocentridae
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentPeaceful
Dietcarnivore
Adult size9 in
Minimum tank size75 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding schedule1-2 times daily

Appearance

The Blackfin Squirrelfish has a robust, deep-bodied form with bright red coloration on the head and body, accented by dark red or black bands. The dorsal fin is characteristically spiny with bold red and white stripes, and the pectoral fins display dark tips. Large eyes are typical of nocturnal squirrelfishes.

Diet and feeding

Feed a varied carnivorous diet of frozen mysis shrimp, enriched brine shrimp, and marine flake foods. Offer food in the evening when the fish is most active; aim for 1–2 daily feedings.

Difficulty and care for the Blackfin Squirrelfish

Moderate - Blackfin Squirrelfish requires standard marine aquarium maintenance and intermediate fish keeping skills.

Common health issues

Ich, marine velvet, loss of appetite if not acclimated properly, fin damage from sharp rockwork

Origin and habitat

Western Atlantic, including the Bahamas, Caribbean Sea, and Gulf of Mexico, from Bermuda south to Brazil.

Log Blackfin Squirrelfish in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Blackfin Squirrelfish alongside everything else in your reef.