North Pacific squirrelfish (Sargocentron spinosissimum) fish species and information / pictures of North Pacific squirrelfish - Sargocentron spinosissimum

North Pacific squirrelfish (Sargocentron spinosissimum) fish species information

Scientific Name
Sargocentron spinosissimum

Common Name
North Pacific squirrelfish

Biology
Dorsal spines (total): 11 - 77; Dorsal soft rays (total): 12-13; Anal spines: 4; Anal soft rays: 8 - 9. Body with 9 red stripes alternating with 9 narrower white stripes that pass along the middle of the longitudinal scale rows; head red with a white bar along the posterior margin of preopercle. Five oblique scale rows on cheek; body depth 2.45-2.75 in SL; head length (HL) 2.5-2.7 in SL; snout length 3.6-4.0 in HL; large eyes, orbit diameter 2.6-3.1; least interorbital width 4.5-5.1 in HL; maxilla extending from a vertical at front edge of the pupil to slightly beyond the center of the eye, upper jaw length 2.45-2.8 in HL; premaxillary groove usually not reaching a vertical at front edge of the orbit; rounded anterior end of nasal bone; moderately large nasal fossa, often spineless (1 specimen with 1 spinule on anterior edge on one side, another with 2 projecting outward); upper surface of nasal bone with 4-16 small retrorse spines between nasal fossa and edge of pr

Classification

Classified By
Temminck & Schlegel, 1843
Class
Ray-finned fishes (Actinopterygii)
Order
Sawbellies (Beryciformes)
Family
Squirrelfishes, soldierfishes (Holocentridae)

Distribution

Region
Northwest Pacific
Distribution
Northwest Pacific: southern Japan to Taiwan; also reported from Hawaii.
Range
Unknown

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
120 m
Depth To - meters
230 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 120 - 230 m (Ref. 27370)
Trophic Level
3.98 s.e. 0.66 Based on food items.
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
17.7 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 (17 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