Variegated spinefoot (Siganus randalli) fish species and information / pictures of Variegated spinefoot - Siganus randalli

Variegated spinefoot (Siganus randalli) fish species information

Scientific Name
Siganus randalli

Common Name
Variegated spinefoot

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 23. Body is bronze, with bluish spots on the head and anterior portion of the body. These spots join in the posterior portion to form vermiculating patterns. Preopercular angle 98?-102?; strong scales covering cheeks with 9-11 rows deep below center of orbit; midline of thorax scaled, pelvic ridges without scales. Low rim of anterior nostril bearing a minute, pointed peak posteriorly. The spines are stout, blunt and venomous. S. randalli is similar to S. vermiculatus but is spotted on the head and front of the back (Ref. 37816).

Classification

Classified By
Woodland, 1990
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Rabbitfishes (Siganidae)

Distribution

Region
Western Pacific
Distribution
Western Pacific: Solomon Islands, Papua New Guinea, Pohnpei, Kosrae, and Guam.
Range
15°N - 15°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
15 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 1 - 15 m (Ref. 37816)
Trophic Level
2 s.e. 0.00 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
30.0 cm
Common Length
25.0 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
Fisheries: subsistence fisheries; aquaculture: experimental
Vulnerability
Low vulnerability (22 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Venomous
IUCN Red List Status
  Not Evaluated