Maldives Marine Life

Marine life of Maldivian waters

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Longtail tuna
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Longtail tuna

Thunnus tonggol

Valid name (FishBase; confirmed in Eschmeyer's Catalog of Fishes and WoRMS, October 2026).

English
Longtail tuna
Scientific
Thunnus tonggol
Dhivehi
ނިގޫދިގު ކަންނެލިNigoo dhigu kanneli
Group
Tunas and other pelagics
Family
Scombridae (tunas and mackerels)
Maximum size
Up to about 1.4 m (fork length); commonly 70 cm; max. published weight 35.9 kg (FishBase); MRS 1997 gives max. 1.3 m
Depth and habitat
Open water over reefs and the atoll shelf
IUCN status
DD · Data DeficientData Deficient (DD), assessed 2021

Description

A small coastal tuna, dark blue above and silvery white below with rows of colourless oval spots and blackish fins. It schools in coastal waters and feeds on fish, squid and crustaceans.

In the Maldives

Dhivehi name nigoo dhigu kanneli (MRS 1997). MRS notes it is extremely rare in Maldivian waters, with only one confirmed specimen.

Sources

Dhivehi name source: M.R.S. (1997) Fishes of the Maldives (FAO/BOBP MAG/21) gives 'Nigoo dhigu kanneli' (Latin form). Thaana from the Dhivehi Wikipedia article 'ނިގޫދިގު ކަންނެލި' (derived from the MRS 1997 Dhivehi edition); it matches the Latin form.