Threespot squirrelfish (Sargocentron cornutum) fish species and information / pictures of Threespot squirrelfish - Sargocentron cornutum

Threespot squirrelfish (Sargocentron cornutum) fish species information

Scientific Name
Sargocentron cornutum

Common Name
Threespot squirrelfish

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 12-13; Anal spines: 4; Anal soft rays: 9. Stripes black to red above, with thin white interspaces. Black peduncular blotch and additional blotches at soft dorsal and anal fin bases that vary greatly in size between individuals or habitats. Large spine in anal fin blue (Ref. 48635). Alternating broad deep red and narrow silvery stripes on body. 1-6 spinules on posterior edge and 0-1 on anterior of nasal fossa. Preopercular spine 3/4 to nearly equal to orbit diameter. Four (4) oblique rows of scales on cheek. Body depth 2.7-3.0 in SL; head length 2.8-3.0 in SL; snout length 4.4-4.85 in head length; interorbital width 4.3-4.7 in head length; premaxillary groove extending slightly posterior to a vertical at anterior edge of orbit; anterior end of nasal bone ending in short spine that angles laterally; medial margin of nasal bone without spinule; 1-6 spinules at posterior edge of nasal fossa, 0-1 at anterior edge; up

Classification

Classified By

Bleeker, 1853

Class

Ray-finned fishes (Actinopterygii)

Order

Sawbellies (Beryciformes)

Family

Squirrelfishes, soldierfishes (Holocentridae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Indonesia (including Mentawai Islands), Philippines, Solomon Islands, and Great Barrier Reef. Also reported from Malaysia (Ref. 5756), Tosa Bay, Japan (Ref. 559), and Viet Nam (Ref. 9706).

Range

20°N - 25°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

2 m

Depth To - meters

30 m

Zone

reef-associated

Environment

Marine; brackish; reef-associated; depth range 2 - 30 m (Ref. 27370)

Trophic Level

3.55 s.e. 0.59 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

27.0 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 (22 of 100)

Resilience

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

Threat To Humans

Venomous (Ref. 2334)

IUCN Red List Status

Not Evaluated