Dusky squirrelfish (Sargocentron vexillarium) fish species and information / pictures of Dusky squirrelfish - Sargocentron vexillarium

Dusky squirrelfish (Sargocentron vexillarium) fish species information

Scientific Name
Sargocentron vexillarium

Common Name
Dusky squirrelfish

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 13; Anal spines: 4; Anal soft rays: 9. Upper profile angular. Mouth small, lower jaw fitting into upper. Lower opercular spine longer and stronger than upper. Axil of pectoral dark, jet black in small specimens, dusky brown in large (Ref. 37108). Head and nape clear bright red. Body with alternating streaks of red and white (Ref. 37108).

Classification

Classified By

Poey, 1860

Class

Ray-finned fishes (Actinopterygii)

Order

Sawbellies (Beryciformes)

Family

Squirrelfishes, soldierfishes (Holocentridae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: Bermuda and Florida, USA to northern South America.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

20 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range ? - 20 m (Ref. 9710)

Trophic Level

3.5 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

False

Physical Size and Genetics

Maximum Length

18.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (14 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated