Dogtooth tuna (Gymnosarda unicolor)

Scientific name: Gymnosarda unicolor R?ppell, 1836

Dogtooth tuna (Gymnosarda unicolor)

The Dogtooth tuna (Gymnosarda unicolor) is a marine fish of the family Scombridae. In the aquarium it needs water at 20–28°C (68–82°F). Native range: Indo-Pacific, Red Sea and East Africa to French Polynesia, north to Japan, south to Australia.

Dogtooth tuna care at a glance

Temperature
20–28°C (68–82°F)

Biology

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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Gymnosarda unicolor
Family
Scombridae (Mackerels, tunas, bonitos)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
248
Common length
190
Depth range
10–100 m (33–328 ft)
Environment
Marine; reef-associated; oceanodromous; depth range 10 - 100 m
Climate
Tropical
Distribution
Indo-Pacific: Red Sea and East Africa to French Polynesia, north to Japan, south to Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Reports of ciguatera poisoning
Uses
Fisheries: minor commercial; gamefish: yes
Resilience
Low, minimum population doubling time 4.5 - 14 years (Assuming tmax>10)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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