Siganus spinus   (Linnaeus, 1758)

Little spinefoot
Catalog of Fishes (gen., sp.) | ITIS | CoL
Classification
Actinopterygii | Perciformes | Siganidae
Synonyms
Common names
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Image of Siganus spinus (Little spinefoot)
Picture by Randall, J.E.
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| Native range | All suitable habitat | PointMap | Year 2050 |
Aquamaps of Siganus spinus This map was computer-generated and has not yet been reviewed.
AquaMaps     Data sources: GBIF OBIS
Main reference
Size / Weight / Age
Max length : 28.0 cm TL male/unsexed; (Ref. 9710); common length : 18.0 cm TL male/unsexed; (Ref. 9813)
Environment
Reef-associated; marine; depth range 1 - 50 m (Ref. 28016), usually 1 - 20 m (Ref. 27115)
Climate / Range
Tropical; 24°C - 28°C (Ref. 27115); 30°N - 30°S
Distribution
Indo-West Pacific: India, Sri Lanka, Andaman Islands, Thailand, Indonesia, Australia, South China Sea, Philippines, Taiwan, Ryukyu Islands, Japan, Mariana Islands, Minami Tori Shima [=Marcus Island], Palau, Yap, Truk, Pohnpei and Kosrae, Nauru, Kiribati, New Guinea, Solomon Islands, Vanuatu, New Caledonia, Fiji, Tonga, Samoa, Niue, Cook Islands, and Society Islands Replaced by Siganus luridus in the west Indian Ocean (Ref. 37816).
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13. The species can adopt a number of camouflage patterns involving off-white, pale gray to blackish, and various shades of brown. The basic pattern consists of a labyrinth of narrow bands with upper half vermiculate, the lower ones tend to meander horizontally. This pattern extends to the fins. Iris golden dissected by a chocolate cross. 4-5 irregular off-white bars on caudal peduncle. Scales fine on cheeks, densely packed over lower 2/3 of preopercular region. Midline of thorax without scales between pelvic ridges. Fin spines stout, pungent, venomous. Preopercular angle 87-100 degrees.
Biology
    Glossary (e.g. epibenthic)
Adults inhabit shallow coral reef flats. Found in rivers (Ref. 12792, 48637). Occurs in small schools (usually less than 10 individuals). Juveniles gather in larger numbers in corals with algae-grown at their bases (Ref. 48637). Initially, they browse on fine textured, e.g. filamentous algae, switching to coarser algae with increasing size. Both adults and juveniles are diurnal feeders (Ref. 4666). Fry are marketed fresh, pickled in brine or made into fish paste (Ref. 9813). Can inflict painful stings (Ref. 4690).
IUCN Red List Status (Ref. 57073)
Threat to humans
  Venomous (Ref. 4690)
Human uses
Fisheries: minor commercial; aquarium: commercial
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Estimation of some characteristics with mathematical models
Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Vulnerability (Ref. 59153)
Price category (Ref. 80766)
Low vulnerability (14 of 100)

Entered by Luna, Susan M.
Modified by Ortañez, Auda Kareen



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Page last modified by : elaxamana, 15 July 2009

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