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Longspine squirrelfish

Holocentrus rufus Walbaum, 1792
Max Length
35 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
0–32 m
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
25 cm
Depth Zone
reef

📖 Overview

Nocturnal , inhabits clear reefs . Found near mouths of caves and holes ; at night they usually move to sandy areas and grass beds to feed on crabs, shrimps, gastropods and brittle stars . Marketed fresh but not popular as a food fish .

Scientific Name
Holocentrus rufus
Authority
Walbaum, 1792
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
35 cm
Depth Range
0–32 m
Latitude
28°S – 36°N
Trophic Level
3.5
Resilience
High
Vulnerability
19.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 14 - 16; Anal spines: 4; Anal soft rays: 9 - 11. Conspicuous white spot behind tip of each dorsal spine . Body slender. Upper jaw extending posteriorly to middle of pupil . Body bright red or red striped, sometimes blotched . Similar in color to H. ascensionis, but each interspinous membrane of dorsal fin with a white spot near margin .: fusiform / normal.

🌀 Behaviour

Behavioural data for Longspine squirrelfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
13.5cm TL

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 32 m . Tropical; 36°N - 28°S, 98°W - 31°W South America and Brazil; throughout the West Indies (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.4
🌙 Nocturnal
Food Items

crabs, shrimps, gastropods and brittle stars (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01202 × L2.88 (TL)
Max TL
35cm
Dorsal Spines
11
Dorsal Rays
15
Anal Spines
4
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2013

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
36°N – 28°S
Described By
Walbaum, 1792

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Longspine squirrelfish · Squirrelfish · Wrenchman
🏳️Catalan Peix esquirol d'espina llarga
🌍CES pruhatec dlouhotrnný
🇩🇰Danish Langpigget egernfisk
🇩🇪German Karibischer Eichhörnchenfisch · Langstachelhusar
🇫🇷French Marignan queue fine · Marignon soldat
🇵🇹Portuguese Peixe-esquilo-espinhoso
🇷🇺Russian Длинношипая рыба-белка · Рыжая рыба-белка
🇪🇸Spanish Candil Soldado · Candil ardilla · Carajuelo · candil rufo · carajuelo rufo

Scientific Synonyms

Scientific Name Author Year Status
Holocentrus meeki Bean 1906 Synonym
Perca rufa Walbaum 1792 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 76 records indexed .

Occurrence density from GBIF View GBIF records ↗

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