You can sponsor this page

Gymnosarda unicolor  (Rüppell, 1836)

Dogtooth tuna
Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Gymnosarda unicolor   AquaMaps   Data sources: GBIF OBIS
Upload your photos and videos
Pictures | Videos     Google image
Image of Gymnosarda unicolor (Dogtooth tuna)
Gymnosarda unicolor
Picture by Patzner, R.


Australia country information

Common names: Dogtooth tuna, Pegtooth tuna, Scaleless tuna
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: https://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Collette, B.B. and C.E. Nauen, 1983
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 248 cm FL male/unsexed; (Ref. 40637); common length : 190 cm NG male/unsexed; (Ref. 9710); max. published weight: 131.0 kg (Ref. 168)

Environment

Marine; reef-associated; oceanodromous (Ref. 51243); depth range 10 - 250 m (Ref. 86942)

Climate / Range

Tropical; 20°C - 28°C (Ref. 5313), preferred 28°C (Ref. 107945); 31°N - 30°S, 32°E - 130°W (Ref. 168)

Distribution

Indo-Pacific: Red Sea and East Africa to French Polynesia, north to Japan, south to Australia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 13 - 15; Dorsal soft rays (total): 12-14; Anal spines: 0; Anal soft rays: 12 - 13; Vertebrae: 38. Mouth fairly large, upper jaw reaching to middle of eye. Laminae of olfactory rosette 48 to 56. Interpelvic process large and single. Lateral line strongly undulating. Body naked posterior to corselet. Swim bladder large, spleen visible in ventral view on the right side of the body. The back and upper sides brilliant blue-black, lower sides and belly silvery; no lines, spots or other markings on the body.

Biology     Glossary (e.g. epibenthic)

An offshore species found mainly around coral reefs. Generally solitary or occur in small schools of six or less. Preys on small schooling fishes such as Decapterus, Caesio, Nasio, Cirrhilabrus, Pterocaesio and squids. Marketed canned and frozen (Ref. 9684, 48637). Adults may be ciguatoxic (Ref. 37816).

IUCN Red List Status (Ref. 90363)

Threat to humans

  Reports of ciguatera poisoning (Ref. 168)



Human uses

Fisheries: minor commercial; gamefish: yes

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.5   ±0.75 se; Based on food items.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (Assuming tmax>10)

Vulnerability (Ref. 59153)
High to very high vulnerability (73 of 100)
Price category (Ref. 80766)
High