Bigscale squirrelfish (Sargocentron macrosquamis) fish species and information / pictures of Bigscale squirrelfish - Sargocentron macrosquamis

Bigscale squirrelfish (Sargocentron macrosquamis) fish species information

Scientific Name
Sargocentron macrosquamis

Common Name
Bigscale squirrelfish

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 13-14; Anal spines: 4; Anal soft rays: 9 - 10. Body red with silvery reflections on many scales, shading to silvery white on lower part of the head, thorax, and anterior abdomen, scale edge light red; 5-6 oblique scale rows on cheek; body depth 2.3-2.7 in SL; head length (HL) 2.45-2.65 in SL; snout length 3.6-4.0 in HL; interorbital width 5.0-5.4 in HL; mouth terminal to slightly inferior; maxilla extending to a vertical at front edge of pupil or slightly before or beyond to it; upper jaw length 2.85-3.2 in HL; anterior end of nasal bone rounded; moderately large, spineless nasal fossa; upper surface of nasal bone between nasal fossa and edge of premaxillary groove with a retrorse spine; median edge of nasal bone with a retrorse spine and sometimes another anterior to it; preopercular spine 1.6-2.2 in orbit diameter, 4.75-6.4 in HL; spinules on posterior margin of preopercle 31 (on a 4.6 cm SL specimen) to 33-46 (6.25-

Classification

Classified By
Golani, 1984
Class
Ray-finned fishes (Actinopterygii)
Order
Sawbellies (Beryciformes)
Family
Squirrelfishes, soldierfishes (Holocentridae)

Distribution

Region
Western Indian Ocean
Distribution
Western Indian Ocean: Red Sea to Mozambique and the oceanic islands.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
4 m
Depth To - meters
22 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 4 - 22 m (Ref. 27370)
Trophic Level
3.33 s.e. 0.55 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
9.0 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 (10 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