Skipjack tuna
📖 Overview
Found in offshore waters; larvae restricted to waters with surface temperatures of 15°C to 30°C . Exhibit a strong tendency to school in surface waters with birds, drifting objects, sharks, whales and may show a characteristic behavior like jumping, feeding, foaming, etc. Feed on fishes, crustaceans, cephalopods and mollusks; cannibalism is common. Spawn throughout the year in the tropics, eggs released in several portions . Eggs and larvae are pelagic . Preyed upon by large pelagic fishes . Also taken by trolling on light tackle using plugs, spoons, feathers, or strip bait . Marketed fresh, frozen or canned; also dried-salted and smoked .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 14 - 16; Dorsal soft rays (total): 14 - 15; Anal spines: 0; Anal soft rays: 14 - 15; Vertebrae: 41. This species is distinguished by the following characters: body fusiform, elongate and rounded; teeth small and conical, in a single series; gill rakers on first gill arch numerous, 53-63; D1 XIV-XVI, dorsal fins separated by a small interspace (not larger than eye), the second followed by 7-9 finlets; anal fin followed by 7-8 finlets; pectoral fins short, with 26-27 rays; 2 flaps (interpelvic process) between pelvic fins; body scaleless except for corselet and lateral line; a strong keel on each side of caudal-fin base between 2 smaller keels. Colour of back dark purplish blue, lower sides and belly silvery, with 4-6 very conspicuous longitudinal dark bands which in live specimens may appear as discontinuous lines of dark blotches .: fusiform / normal; Cross section: oval.
🌀 Behaviour
Behavioural data for Skipjack tuna is currently being reviewed.
🦐 Diet
🥚 Reproduction
In tropical waters, reproductively active female skipjack tuna spawn almost daily.
🌍 Habitat & Distribution
Marine; pelagic-oceanic; oceanodromous ; depth range 0 - 260 m , usually 0 - ? m . Tropical; 15°C - 30°C ; 63°N - 47°S, 180°W - 180°E found in the Black Sea.
🌿 Ecology
fishes, crustaceans, cephalopods and mollusks; cannibalism is common
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- heavy 30-80 lb class trolling rod
- conventional reel
- 80-130 lb wind-on leader
- temperature breaks
- floating debris
- current edges
- offshore seamounts
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ International management (ICCAT, WCPFC). Strict quotas and size limits.
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🏆 World Records
| Record Type | Value | Angler | Location | Date | Line Class |
|---|---|---|---|---|---|
| Weight | 20.55 kg | Brian Evans | Flathead Bank, Baja Mexico | 16 Nov 1996 | ALL |
Source: IGFA All-Tackle World Records database
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Euthynnus pelamis | Linnaeus | 1758 | Synonym |
| Gymnosarda pelamis | Linnaeus | 1758 | Synonym |
| Katsowonus pelamis | Linnaeus | 1758 | Synonym |
| Katsuwinus pelamis | Linnaeus | 1758 | Synonym |
| Katsuwonis pelamis | Linnaeus | 1758 | Synonym |
| Katsuwonnus pelamis | Linnaeus | 1758 | Synonym |
| Katsuwonus pelamsi | Linnaeus | 1758 | Synonym |
| Katsuwonus vagans | Lesson | 1829 | Synonym |
| Katuswonis pelamis | Linnaeus | 1758 | Synonym |
| Orcynus pelamis | Linnaeus | 1758 | Synonym |
| Scomber pelamides | Lacepède | 1801 | Synonym |
| Scomber pelamys | Linnaeus | 1758 | Homotypic |
| Thinnus pelamis | Linnaeus | 1758 | Synonym |
| Thunnus pelamys | Linnaeus | 1758 | Synonym |
| Thynnus pelamys | Linnaeus | 1758 | Synonym |
| Thynnus vagans | Lesson | 1829 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 286 records indexed .
👥 Community & Contribute
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