Roudi escolar
📖 Overview
Found at continental slopes, around oceanic islands and submarine rises . Meso-benthopelagic . Migrate to midwater at night . Feed on fish, cephalopods and crustaceans . Eggs and larvae are pelagic .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 18 - 20; Dorsal soft rays (total): 17 - 20; Anal spines: 2 - 3; Anal soft rays: 15 - 17. Body moderately elongate. Mouth with fang-like teeth. Spinescent gill rakers on the first arch with 1 - 3 cusps and many small spines; the angular raker long and triple-rooted. Body entirely scaled at over 20 - 25 cm SL. Pyloric caeca 7 or 8. Color is grayish to copper brown; fins blackish at over 40 cm SL, yellowish with black tips in smaller specimens (the first dorsal fin with a black blotch on two anteriormost membranes); the buccal and branchial cavities are black. Pelvic fin reduced to one spine that becomes entirely absent in specimens more than 40 cm SL.: elongated; Cross section: compressed.
🌀 Behaviour
Behavioural data for Roudi escolar is currently being reviewed.
🦐 Diet
🥚 Reproduction
Probably spawns throughout the year in warmer seas.
🌍 Habitat & Distribution
Marine; benthopelagic; oceanodromous ; depth range 80 - 800 m , usually 300 - 400 m . Subtropical; 50°N - 36°S, 180°W - 180°E
🌿 Ecology
fish, cephalopods and crustaceans (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Dicrotus armatus | Günther | 1860 | Heterotypic |
| Dicrotus parvipinnis | Goode & Bean | 1896 | Heterotypic |
| Gempylus prometheus | Cuvier | 1832 | Synonym |
| Prometheus atlanticus | Lowe | 1838 | Synonym |
| Promethichthys pacificus | Seale | 1906 | Synonym |
| Promethichthys solandri | Jordan, Evermann & Tanaka | 1927 | Synonym |
| Promethychthis prometheus | Cuvier | 1832 | Synonym |
| Promethycthus prometheus | Cuvier | 1832 | Synonym |
| Prometichthys prometheus | Cuvier | 1832 | Synonym |
| Thyrsites ballieui | Sauvage | 1882 | Synonym |
| Thyrsites prometheus | Cuvier | 1832 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 258 records indexed .
👥 Community & Contribute
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