Spotfin squirrelfish (Sargocentron dorsomaculatum) fish species and information / pictures of Spotfin squirrelfish - Sargocentron dorsomaculatum

Spotfin squirrelfish (Sargocentron dorsomaculatum) fish species information

Scientific Name
Sargocentron dorsomaculatum

Common Name
Spotfin squirrelfish

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 13; Anal spines: 4; Anal soft rays: 9. Light orange-red body, with a narrow darker red stripe running between longitudinal scale rows; spinous dorsal fin red, spine tips and adjacent membranes white, a blackish blotch on first and second membranes and whitish blotch in the middle of each membrane and adjacent to preceding spine. Four oblique rows of scales on cheek. Body depth 2.6-2.75 in SL; head length 2.5-2.65 in SL; snout length 4.6-4.9 in head length; interorbital width 5.15-5.35 in head length. Mouth slightly inferior. Maxilla nearly reaching or just to a vertical at rear edge of the pupil, upper jaw length 2.4-2.55 in head length; premaxillary groove extending to or slightly posterior to a vertical at anterior edge of orbit; anterior end of nasal bone terminating in 2 diverging spines or a single spine that projects laterally; surface and posterior edge of nasal bone without spinules; small nasal fossa, post

Classification

Classified By

Shimizu & Yamakawa, 1979

Class

Ray-finned fishes (Actinopterygii)

Order

Sawbellies (Beryciformes)

Family

Squirrelfishes, soldierfishes (Holocentridae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Ryukyu Islands; Pohnpei and Kosrae, Caroline Islands; Palau.

Range

30°N - 5°N

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

9 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range ? - 9 m (Ref. 27370)

Trophic Level

3.55 s.e. 0.59 Based on size and trophs of closest relatives

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

19.7 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 (19 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