Blue runner
📖 Overview
A schooling species generally not far from the coast , in coastal marine and brackish waters to at least 100 m depth ; aslo in mangrove areas Juveniles often found in association with floating Sargassum , often entering lagoons and estuaries . Adults feed on fishes, shrimps, and other invertebrates. They spawn offshore from January through August . Eggs are pelagic . Excellent food fish ; marketed fresh, frozen , and salted. Often used for bait . Maximum reported total length 550mm in Ref. 57392.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 9; Dorsal soft rays (total): 22 - 25; Anal spines: 3; Anal soft rays: 19 - 21. Diagnosis: body elongate (depth comprised 3.2-3.5 times in fork length) and moderately compressed; snout slightly rounded . Maxilla ends below middle of eye . 2 dorsal fins, 1st with 8 spines, 2nd with 1 spine and 22-25 soft rays; anal fin with 2 spines, followed by 1 spine and 19-21 soft rays . Anterior lobe of soft dorsal and anal fins moderately developed, their height smaller than head length; pectoral fins falcate, longer than head; scales small and cycloid . Chest fully scaled (erroneously reported as chest naked in other sources) . 45 - 56 scutes along posterior/straight part of lateral line. Coloration: back light olivaceous to bluish-green, sides silvery-grey to golden; juveniles with about 7 dark crossbars on sides .: fusiform / normal.
🌀 Behaviour
Behavioural data for Blue runner is currently being reviewed.
🦐 Diet
Diet information for Blue runner is currently being compiled.
🥚 Reproduction
🌍 Habitat & Distribution
Marine; brackish; reef-associated; depth range 0 - 100 m . Subtropical; 46°N - 26°S, 97°W - 32°E found in Argentina (Ref.
🌿 Ecology
fishes, shrimps, and other invertebrates
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Carangoides crysos | Mitchill | 1815 | Synonym |
| Carangoides fusus | Geoffroy Saint-Hilaire | 1817 | Synonym |
| Caranx fusus | Geoffroy Saint-Hilaire | 1817 | Synonym |
| Caranx pisquetus | Cuvier | 1833 | Synonym |
| Carnax crysos | Mitchill | 1815 | Synonym |
| Paratractus crysos | Mitchill | 1815 | Synonym |
| Scomber chrysos | Mitchill | 1815 | Synonym |
| Scomber crysos | Mitchill | 1815 | Synonym |
| Trachurus squamosus | Gronow | 1854 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) — 419 records indexed .
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