Roughear scad
📖 Overview
Adults occur in mid-water or near the bottom; also near the surface . They feed on smaller planktonic invertebrates, primarily copepods. Maximum depth recorded from Ref. 57551. Marketed fresh .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 9; Dorsal soft rays (total): 30 - 34; Anal spines: 3; Anal soft rays: 24 - 26; Vertebrae: 24. This species is distinguished by the following: posterodorsal margin of opercular membrane minutely serrated in adults; oral valve (membrane) at symphysis of upper jaw dusky or transparent; posterior end of upper jaw straight above, slightly concave and not strongly slanted anteroventrally; shoulder girdle (cleithrum) margin with 2 small papillae, the lower papilla larger; terminal dorsal- and anal-fin rays each consisting of a widely detached finlet; lateral line scales, in curved part 61-73, no scutes and straight part 4-12, followed by 30-40 scutes; total scales and scutes in lateral line (excluding scales on caudal fin) 103-118. Colour in life metallic blue to greenish above, silvery below; small black blotch on margin of opercle near upper edge; caudal fin bright red and tips of soft dorsal-fin rays tinged with red .: fusiform / normal; Cross section: oval.
🌀 Behaviour
Behavioural data for Roughear scad is currently being reviewed.
🦐 Diet
Diet information for Roughear scad is currently being compiled.
🥚 Reproduction
🌍 Habitat & Distribution
Marine; demersal; depth range 7 - 550 m , usually 150 - 220 m . Subtropical; 45°N - 55°S, 102°E - 41°E North Carolina, USA to Venezuela (Ref.
🌿 Ecology
smaller planktonic invertebrates, primarily copepods
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Greater Kingston · Jack · Kingston · Redtail Scad · Robin · Rough-ear Scad · Roughear scad · Round Robin · Scad |
| 🌍CES | kranas rudocípý |
| 🇫🇷French | Comète coussut · comète queue rouge |
| 🇯🇵Japanese | Nise-oakamuro · O-aka-muro · Oaka-muro · Oakamuro · オアカムロ |
| 🇵🇹Portuguese | Carapau Cauda · Carapau-áspero |
| 🇷🇺Russian | Ставрида-табл |
| 🇪🇸Spanish | Caballeta Rabicolorá · macarela rabo colorado |
| 🇨🇳Chinese | 泰勃圓鰺 · 鋸緣圓鰺 |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 12 records indexed .
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