Euthynnus affinis

Scombridae
Mackerel Tuna, Black Skipjack Tuna, Bonito, Dwarf Bonito, Eastern Little Tuna, False Albacore, Kawa Kawa, Lesser Bonito, Little Tuna, Little Tunny, Oceanic Bonito, Wavy-back Skipjack, Yaito Bonito
  • Euthynnus affinis, Maldives, Photo: Rick Stuart-Smith
    Euthynnus affinis, Maldives, Photo: Rick Stuart-Smith
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Stout torpedo-shaped, silver body, dark blue upper back, and patch of wavy mackerel-like markings on upper rear body.
Information
  • Max Size: 100 cm
  • Sea Temperature Range: 19.9-30.6°C
  • Depth: 0-200m
  • Habitat: Coral Reef, Open ocean, Rocky Reef
Rarity
  • Threats: By-catch, Exploitation
  • IUCN Threat Status: Least Concern
  • Occurrence: Rare (1% of sites)
    Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
  • Abundance: Few (5 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Joe Shields
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