Squirrelfish (Holocentrus adscensionis) fish species and information / pictures of Squirrelfish - Holocentrus adscensionis

Squirrelfish (Holocentrus adscensionis) fish species information

Scientific Name
Holocentrus adscensionis

Common Name
Squirrelfish

Biology
Occurs in shallow coral reefs, as well as deeper offshore waters (Ref. 3724). A nocturnal species, hiding in deep crevices or under coral ledges during the day; at night it usually moves over sand and grass beds, taking mainly crabs and other small crustaceans (Ref. 3634). Capable of producing sounds (Ref. 6537). Marketed fresh (Ref. 3724).

Classification

Classified By

Osbeck, 1765

Class

Ray-finned fishes (Actinopterygii)

Order

Sawbellies (Beryciformes)

Family

Squirrelfishes, soldierfishes (Holocentridae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: North Carolina, USA and Bermuda to Brazil, including the Gulf of Mexico and throughout the West Indies and Caribbean shores (Ref. 3724). Eastern Atlantic: Gabon, Angola, St. Paul's Rocks, St. Helena and Ascension Island (Ref. 6537).

Range

30°N - 25°S

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

180 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 0 - 180 m (Ref. 26938), usually 8 - 30 m (Ref. 3156)

Trophic Level

3.49 s.e. 0.58 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

61.0 cm

Common Length

25.0 cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquarium: public aquariums

Vulnerability

Moderate vulnerability (36 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Reports of ciguatera poisoning (Ref. 30303)

IUCN Red List Status

Not Evaluated